Illinois Counties Information
Place your mouse over the county of your choice to find out information about that county.

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Population: 67,103
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John Wood Mansion
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Coca-Cola Bottling Company Building
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Log Cabin Village
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All Wars Museum
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Downtown Quincy Historic District
Adams County

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Population: 8,238
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American Farm Heritage Museum
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De Moulin Museum
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Kingsbury Park District
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Governor Bond Lake
Alexander County

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Population: 17,768
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American Farm Heritage Museum
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De Moulin Museum
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Kingsbury Park District
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Governor Bond Lake
Bond County

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Population: 54,165
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Summerfield Zoo
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Frank Lloyd Wright's Laurent House
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Poplar Grove Vintage Wings
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Belvidere Park
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Lampert-Wildflower House
Boone County

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Population: 6,937
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Siloam Springs State Park
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Mount Sterling Commercial Historic
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Ridge View Winery
Brown County

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Population: 34,978
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Hennepin Canal Parkway State Park
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Mautino State Fish and Wildlife Area
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Donnelley Wildlife Area
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Red Covered Bridge
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Owen Lovejoy House
Bureau County

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Population: 5,089
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Pere Marquette State Park
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Two Rivers National Wildlife Refuge
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The McCully Heritage Project
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Center For American Archeology Museum
Calhoun County

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Population: 15,387
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Mississippi Palisades State Park
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Savanna-Sabula Bridge Upper Mississippi River Nwfr-savanna District
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Thomson Causeway Recreation Area
Carroll County

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Population: 13,642
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Jim Edgar Panther Creek State Fish and Wildlife
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Meredosia National Wildlife Refuge
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Sanganois State Fish and Wildlife Area
Cass County

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Population: 201,081
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Krannert Art Museum
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Orpheum Children's Science Museum
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Spurlock Museum
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Lake of the Woods Forest Preserve
Champaign County

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Population: 34,800
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Kitchell Park
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Louis Jehle House
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Sangchris Lake State Park
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Sangchris Lake
Christian County

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Population: 16,335
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Lincoln Trail State Park
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World's Largest Mailbox
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World's Largest Rocking Chair
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Mill Creek Lake and Park
Clark County

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Population: 13,815
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Little Toot Railroad
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Shriver House
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Charley Brown Park
Clay County

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Population: 37,762
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General Dean Bridge
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Carlyle Dam
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Crooked Creek Winery
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James C. Twiss House
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South Shore State Park
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Carlyle Lake
Clinton County

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Population: 53,873
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Fox Ridge State Park
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Lincoln Log Cabin State Historic Site
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Ashmore Estates
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Alexander Briggs House
Coles County

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Population: 5,194,675
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Millennium Park
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Willis Tower
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Navy Pier
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Cloud Gate
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Skydeck Chicago
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Shedd Aquarium
Cook County

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Population: 19,817
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Crawford County Forest Preserve
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John B. Harper House Historical Place
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Fort Lamotte Historical Marker
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Heath Museum & Confectionery
Crawford County

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Population: 11,048
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Cameo Vineyards
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Thornton Ward Estate
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Lake Mattoon
Cumberland County

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Population: 105,160
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Ellwood House Museum
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Sycamore Historic District
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Afton Forest Preserve
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Russell Woods Forest Preserve
DeKalb County

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Population: 16,561
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Clinton Lak
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Weldon Springs State Park
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C.H. Moore Homestead DeWitt County Museum
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Weldon Springs Lake
DeWitt County

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Population: 19,980
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Walnut Point State Park
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Aikman Wildlife Adventure
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Hippie Memorial
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The Streibich Blacksmith Shop
Douglas County

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Population: 916,924
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The Morton Arboretu
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Cosley Zoo
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Naper Settlement
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DuPage Children's Museum
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Blackwell Forest Preserve
DuPage County

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Population: 18,576
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L&A Family Farms
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Asher Morton Farmstead
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Twin Lakes Park
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Centennial Park
Edgar County

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Population: 6,721
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Edwards County Courthouse Square
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Albion Library
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Edwards County Historical Society Museum
Edwards County

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Population: 32,242
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Wildcat Hollow State Habitat Area
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Rock Cave Nature Preserve
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MY Garage Corvette Museum
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Ballard Nature Center
Effingham County

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Population: 22,140
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Floyd and Glenora Dycus House
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Kaskaskia Dragon
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Vandalia State House
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Ramsey Lake State Park
Fayette County

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Population: 14,081
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Alfred Phillips House
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Loda Cemetery Prairie Nature Preserve
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Paxton Park District
Ford County

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Population: 39,561
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Historic Jail Museum
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West Franklin Historical
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Wayne Fitzgerrell State Park
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Rend Lake Fish & Wildlife
Franklin County

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Population: 37,069
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Easley Pioneer Museum
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Browns Oakridge Zoo
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Emiquon Preserve
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Edward Hamer House
Fulton County

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Population: 5,589
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High Knob Lookout
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Illinois Salines National Historic Site
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Pounds Hollow
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John Marshall House Museum
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Rim Rock Recreation Trail
Gallatin County

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Population: 18,576
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L&A Family Farms
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Asher Morton Farmstead
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Twin Lakes Park
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Centennial Park
Greene County

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Population: 6,721
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Edwards County Courthouse Square
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Albion Library
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Edwards County Historical Society Museum
Grundy County

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Population: 8,457
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Ten Mile Creek State Fish And Wildlife Area
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L P Dolan Lake
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Chalon Guard and Emna Blades Cloud House
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Hamilton County State Fish & Wildlife Area
Hamilton County

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Population: 19,104
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Nauvoo Historic District
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Carthage Jail
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Joseph & Emma Smith Mansion House
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Joseph Smith's Red Brick Store
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Nauvoo House
Hancock County

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Population: 4,320
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Battery Rock
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Hicks Dome
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American Fluorite Museum
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Shawnee National Forest
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Cave In Rock State Park
Hardin County

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Population: 7,3331
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Lock and Dam Number 18
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Horse and Buggy Museum
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Starr's Cave Nature Center
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Alexis Phelps House
Henderson County

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Population: 50,486
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West Water Tower and Ground Storage Tank
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Bishop Hill Heritage Association
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Bishop Hill Historic Site
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Niabi Zoo
Henry County

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Population: 29,718
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Courthouse Museum
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Watseka Union Depot
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Iroquois County State Wildlife Area
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St Mary's Catholic Church
Iroquois County

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Population: 60,218
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Little Grand Canyon
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Pomona Natural Bridge
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The Science Center
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Giant City State Park
Jackson County

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Population: 9,698
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Prairie Ridge St Natural Area
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Newton Lake Conservation Area
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Sam Parr State Park
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Peterson Park
Jasper County

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Population: 38,827
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Jefferson County Historical Village
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C. H. Judd House
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Mitchell Museum at Cedarhurst
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Aquatic Zoo Water Park
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Ten Mile Creek State Fish And Wildlife Area
Jefferson County

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Population: 22,985
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Pere Marquette State Park
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Elsah Historic District
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Hamilton Primary School
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Grafton SkyTour
Jersey County

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Population: 22,678
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Ulysses S. Grant Home
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Apple River Canyon State Park
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Dowling House
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Horseshoe Mound Preserve
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Old Blacksmith Shop
Jo Daviess County

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Population: 12,582
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Ferne Clyffe State Park
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Cache River State Natural Area
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Tunnel Hill State Trail
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Dutchman Lake
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Camp Ondessonk
Johnson County

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Population: 515,269
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Santa's Village Azoosment & Water Park
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Phillips Park Zoo
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Blackberry Farm
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Phillips Park Zoo
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Fabyan Villa Museum & Japanese Garden
Kane County

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Population: 113,449
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B Harley Bradley House
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Hunter-Hattenburg House
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Kankakee County Museum
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Warren Hickox House
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Charles E. Swannell House
Kankakee County

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Population: 114,736
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Farnsworth House
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Raging Waves Waterpark
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Silver Springs State Park
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Plano Church of God
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Hudson Crossing Park
Kendall County

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Population: 52,919
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Discovery Depot Children's Museum
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Galesburg Railroad Museum
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Snakeden Hollow - State Fish & Wildlife Area
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National Railroad Hall of Fame
Knox County

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Population: 703,462
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Six Flags Great America
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Illinois Beach State Park
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Volo Auto Museum
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Independence Grove Forest Preserve
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Chain O'Lakes
Lake County

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Population: 113,924
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Starved Rock State Park
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Hegeler-Carus Mansion
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Matthiessen State Park
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I&M Canal National Heritage Area
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Lock 14
LaSalle County

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Population: 16,833
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Red Hills State Park
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Lincoln Trail State Memorial
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Chauncey Marsh Nature Preserve
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Twin Lakes
Lawrence County

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Population: 36,031
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Ronald Reagan Boyhood Home
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Franklin Creek State Natural Area
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Green River State Wildlife Management Area
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Amboy Depot Museum
Lee County

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Population: 38,950
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Route 66 Association of Illinois
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Pontiac Oakland Auto Museum
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Livingston County War Museum
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International Walldog Mural & Sign Art Museum
Livingston County

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Population: 30,305
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Theodore H. O. Mattfeldt House
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Lincoln Heritage Museum
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Railsplitter Covered Wagon
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Downey Building
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Lincoln Courthouse Square Historic District
Logan County

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Population: 110,768
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Scovill Zoo
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Children's Museum of Illinois
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Lincoln Trail Homestead
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Allerton Park & Retreat Center
Macon County

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Population: 47,765
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Henrys Rabbit Ranch
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Beaver Dam State Park
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Soulsby Service Station
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J. L. Robinson General Store
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Mother Jones Monument
Macoupin County

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Population: 269,282
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Lewis and Clark State Historic Site
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Monks Mound
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National Great Rivers Museum
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McPike Mansion
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Worlds Largest Catsup Bottle
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Collinsville Aqua Park
Madison County

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Population: 39,437
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Tunnel Hill State Trail
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Crab Orchard National Wildlife Refuge
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Williamson County Historical Museum
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Willis Allen House
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John Dupont House
Marion County

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Population: 12,640
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Robert Waugh House
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Oak Bluff Savanna Nature Preserve
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Billsbach Lake
Marshall County

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Population: 14,666
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Chautauqua National Wildlife Refuge
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Dickson Mounds State Museum
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Rockwell Mound Historic Site
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Havana Water Tower
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Havana Nature Center
Mason County

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Population: 15,429
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Superman Statue
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Super Museum
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Shawnee National Forest
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Mermet Lake State Conservation Area
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Dorothy Miller Park
Massac County

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Population: 32,612
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Argyle Lake State Park
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Moses King Brick and Tile Works
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Western Illinois Museum
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Lakeview Nature Center
McDonough County

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Population: 308,760
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Illinois Railway Museum
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Glacial Park Conservation Area
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Onesti's Wild West Town
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Three Oaks Recreation Area
McHenry County

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Population: 169,572
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Miller Park Zoo
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Children's Discovery Museum
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McLean County Museum of History
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David Davis Mansion
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Prairie Aviation Museum
McLean County

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Population: 12,705
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Lincoln's New Salem
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Starhill Forest Arboretum
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Col. Matthew Rogers Building
Menard County

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Population: 16,434
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Dam and Lock Number 17
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Mercer County Jail
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Toolesboro Indian Mounds
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Country Corner Farm Market and Pumpkin
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Big River State Forest
Mercer County

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Population: 32,957
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Salt Lick Point Land And Water Reserve
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Jefferson Barracks Bridge
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Fults Hill Prairie Nature Preserve
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Cliff Cave County Park
Monroe County

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Population: 30,104
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Litchfield Museum and Route 66 Welcome Center
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Coffeen Lake State Fish & Wild
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Freeman-Brewer-Sawyer House
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Bremer Sanctuary
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Arches Rail Trail
Montgomery County

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Population: 35,547
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Waverly Lake
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Beecher Hall
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Jacksonville Historic District
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Prairieland Heritage Museum
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Big Eli Ferris Wheel
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Emma Mae Leonhard Wildlife Sanctuary
Morgan County

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Population: 14,846
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Wolf Creek State Park
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The Great Pumpkin Patch
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Two Story Outhouse
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Kaskaskia River State Fish and Wildlife Management
Moultrie County

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Population: 53,497
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Castle Rock State Park
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White Pines Forest State Park
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Lowden State Park
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John Deere Historic Site
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Rochelle Railroad Park
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Black Hawk Statue
Ogle County

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Population: 186,494
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Wildlife Prairie Park
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Peoria Zoo
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Peoria Riverfront Museum
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Luthy Botanical Garden
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Forest Park Nature Center
Peoria County

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Population: 22, 350
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Perry County Jail Museum
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Pyramid State Park Captain Unit
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Pyramid State Recreation Area
Perry County

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Population: 16,729
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Monticello Railway Museum
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Allerton Park & Retreat Center
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Monticello Courthouse Square Historic District
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Bryant Cottage Historic Site
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Sunken Garden
Piatt County

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Population: 16,430
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Great River National Wildlife Refuge
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New Philadelphia Town National Historic Site
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John Shastid House
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Naples Russell Mound 8 - Zelph Mound
Pike County

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Population: 4,470
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Bell Smith Springs Scenic Area
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Burden Falls
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Dixon Springs State Park
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Shawnee National Forest
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Shawnee National Forest
Pope County

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Population: 6,161
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Cache River State Natural Area
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Cypress Creek National Wildlife Refuge
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Little Black Slough
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Axe Lake Swamp State Nature Preserve
Pulaski County

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Population: 6,006
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Dixon Waterfowl Refuge
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Edward Pulsifer House
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Senachwine Lake
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Hall Township Echo Bluff Park
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Miller-Anderson Woods State Nature Preserve
Putnam County

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Population: 33,476
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Fort de Chartres State Historic Site
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Fort Kaskaskia State Historic Site
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Frederick Weistar House
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Peabody River State Fish and Wildlife Area
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Fults Hill Prairie State Natural Area
Randolph County

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Population: 16,233
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Carnegie Building
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Larchmound
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Olney City Park
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East Fork Lake
Richland County

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Population: 147,546
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John Deere Pavilion
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Niabi Zoo
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Quad City Botanical Center
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Figge Art Museum
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Black Hawk State Historic Site
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Rock Island Arsenal Museum
Rock Island County

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Population: 24,913
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Garden of the Gods
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Carrier Mills Archaeological District
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Shawnee National Forest
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Stone Face
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Saline County Area Museum
Saline County

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Population: 197,465
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Lincoln Home
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Abraham Lincoln Presidential Library
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Dana Thomas House
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Lincoln Monument Association
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Illinois State Museum
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Washington Park
Sangamon County

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Population: 7,544
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Weinberg-King State Park
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Schuyler County Courthouse
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White Oak Hall
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Schuy-Rush Park
Schuyler County

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Population: 5,355
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Naples Russell Mound 8 - Zelph Mound
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Winchester Historic District
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Ray Norbut State Fish & Wildlife
Scott County

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Population: 22,363
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Horace M. Tallman House
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Wolf Creek State Park
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Lake Shelbyville
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Hidden Springs State Forest
Shelby County

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Population: 270,056
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Eads Bridge
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National Shrine of Our Lady of the Snows
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Gateway Geyser
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Cahokia Mounds State Historic Site
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Citizens Park
St. Clair County

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Population: 5,994
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Caterpillar Visitors Ccenter
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Wheels o' Time
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Francis Park
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Hornbaker Gardens
Stark County

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Population: 47,711
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Krape Park
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Blackhawk Battlefield Park
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John H. Addams Homestead
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Silver Creek & Stephenson Railroad & Museum
Stephenson County

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Population: 135,394
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Caterpillar Visitors Center
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Peoria Riverfront Museum
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Spring Lake State Fish and Wildlife Area
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Mineral Springs Park
Tazewell County

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Population: 17,808
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Giant City State Park
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Shawnee Bluffs Canopy
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Trail of Tears State Forest & Park
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Shawnee National Forest
Union County

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Population: 81,625
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Vermilion County War Museum
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Lake Vermilion
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Kennekuk Cove County Park
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Middle Fork State Fish and Wildlife Area
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Kennekuk County Park
Vermilion County

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Population: 11,947
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Beall Woods State Park
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Beall-Orr House
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Conservation Lake
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Broad Pond
Wabash County

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Population: 17,707
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Wyatt Earp Birthplace
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Warren County History Museum
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Blackthorn Hill Nature Preserve
Warren County

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Population: 14,716
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Poos Museum
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Washington County Lake
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Louisville and Nashville Depot
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Washington County State Recreation Area
Washington County

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Population: 16,760
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House at 502 SE 4th Street
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Hanna House Museum
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Leo French Park
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Sam Dale Lake
Wayne County

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Population: 14,665
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Robinson-Stewart House
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L. Haas Store
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Bieker-Wilson Village Site
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Old Morrison Mill
White County

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Population: 58,498
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H. C. Pitney Variety Store Building
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Sinnissippi Mounds Historic Site
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Ronald Reagan's Birthplace
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Dillon Home Museum
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Col. Edward N. Kirk House
Whiteside County

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Population: 677,560
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Gemini Giant
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Old Joliet Prison
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Knoch Knolls Nature Center
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Pilcher Park Nature Center
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Pelican Harbor Indoor/Outdoor Aquatic
Will County

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Population: 66,357
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Williamson County Historical Museum
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Crab Orchard National Wildlife Refuge
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Mandala GardensLake of Egypt
Williamson County

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Population: 295,266
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Anderson Japanese Gardens
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Discovery Center Museum
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Midway Village Museum
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Burpee Museum of Natural History
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Tinker Swiss Cottage Museum and Gardens
Winnebago County

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Population: 38,664
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Joseph Schertz House
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Black Partridge Park
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Illinois Central Railroad
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Ronald Reagan Museum
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Metamora Courthouse