Illinois, the Land of Lincoln
Land area: 55,993 sq. mi. (23)
Population (2020): 12,812,508 (6), down 0.14% since 2010
Population density: 228.82 per sq. mi. (12)
U.S. Representatives (2023-32): 17, down 1 from 2013-22
Entered Union: 3-Dec-1818 (21)
This used to be called (and still is by some) the Prairie State. If I want prairie, I’ll go to the Dakotas. When I think Illinois, I think Chicago, Chicago, that toddlin’ town. Wrigley Field went 70 years without seeing a World Series game, but it's still a great park. Then there’s Springfield, with the Lincoln home and the Old State Capital. There’s the Gen. Grant home in the upper left, in Jo Daviess County. And you know what? There’s still a lot of prairie in Illinois. Hint: Leave Chicagoland.
No. of Counties I’ve Visited: 102 of 102
| County |
Pop. (2020) |
Latest Visit | |
County Seat |
Visited? |
| Adams | 65,737 | 1-Jul-2023 | | Quincy | yes |
| Alexander | 5,240 | 20-Oct-2022 | | Cairo | yes |
| Bond | 16,725 | 18-Sep-2021 | | Greenville | |
| Boone | 53,448 | 12-Oct-2019 | | Belvidere | yes |
| Brown | 6,244 | 31-Jul-2003 | | Mount Sterling | yes |
| Bureau | 33,244 | 26-Jun-2023 | | Princeton | yes |
| Calhoun | 4,437 | 7-Aug-2006 | | Hardin | yes |
| Carroll | 15,702 | 7-Jul-2022 | | Mount Carroll | yes |
| Cass | 13,042 | 24-Jun-2023 | | Virginia | yes |
| Champaign | 205,865 | 27-Jun-2023 | | Urbana | yes |
| Christian | 34,032 | 1-Jul-2023 | | Taylorville | yes |
| Clark | 15,455 | 18-Sep-2021 | | Marshall | yes |
| Clay | 13,288 | 7-Oct-2021 | | Louisville | yes |
| Clinton | 36,899 | 5-Aug-2024 | | Carlyle | yes |
| Coles | 46,863 | 7-Oct-2021 | | Charleston | |
| Cook | 5,275,541 | 28-Sep-2024 | | Chicago | yes |
| Crawford | 18,679 | 1-Jul-2023 | | Robinson | yes |
| Cumberland | 10,450 | 7-Oct-2021 | | Toledo | |
| DeKalb | 100,420 | 31-Aug-2015 | | Sycamore | |
| De Witt | 15,516 | 27-Jun-2023 | | Clinton | yes |
| Douglas | 19,740 | 11-Oct-2021 | | Tuscola | yes |
| DuPage | 932,877 | 28-Sep-2024 | | Wheaton | |
| Edgar | 16,866 | 6-Jul-2022 | | Paris | yes |
| Edwards | 6,245 | 6-Aug-2024 | | Albion | yes |
| Effingham | 34,668 | 1-Jul-2023 | | Effingham | yes |
| Fayette | 21,488 | 1-Jul-2023 | | Vandalia | yes |
| Ford | 13,534 | 27-Jun-2023 | | Paxton | yes |
| Franklin | 37,804 | 5-Aug-2024 | | Benton | yes |
| Fulton | 33,609 | 28-Aug-2015 | | Lewistown | yes |
| Gallatin | 4,946 | 22-Jun-2023 | | Shawneetown | |
| Greene | 11,985 | 13-Jul-2022 | | Carrollton | yes |
| Grundy | 52,533 | 6-Jul-2022 | | Morris | yes |
| Hamilton | 7,993 | 9-Aug-2008 | | McLeansboro | yes |
| Hancock | 17,620 | 30-Jun-2023 | | Carthage | yes |
| Hardin | 3,649 | 8-Aug-2007 | | Elizabethtown | |
| Henderson | 6,387 | 5-Aug-2018 | | Oquawka | |
| Henry | 49,284 | 26-Jun-2023 | | Cambridge | |
| Iroquois | 27,077 | 25-Sep-2023 | | Watseka | yes |
| Jackson | 52,974 | 19-Oct-2023 | | Murphysboro | yes |
| Jasper | 9,287 | 1-Jul-2023 | | Newton | yes |
| Jefferson | 37,113 | 6-Aug-2024 | | Mount Vernon | yes |
| Jersey | 21,512 | 13-Jul-2022 | | Jerseyville | yes |
| Jo Daviess | 22,035 | 5-Sep-2015 | | Galena | yes |
| Johnson | 13,308 | 5-Aug-2024 | | Vienna | yes |
| Kane | 516,522 | 28-Sep-2024 | | Geneva | yes |
| Kankakee | 107,502 | 25-Sep-2023 | | Kankakee | yes |
| Kendall | 131,869 | 7-Jul-2022 | | Yorkville | yes |
| Knox | 49,967 | 5-Aug-2018 | | Galesburg | yes |
| Lake | 714,342 | 27-Sep-2024 | | Waukegan | yes |
| La Salle | 109,658 | 13-Jul-2022 | | Ottawa | yes |
| Lawrence | 15,280 | 1-Jul-2023 | | Lawrenceville | yes |
| Lee | 34,145 | 13-Jul-2022 | | Dixon | yes |
| Livingston | 35,815 | 27-Jun-2023 | | Pontiac | |
| Logan | 27,987 | 4-Sep-2015 | | Lincoln | |
| McDonough | 27,238 | 24-Jun-2023 | | Macomb | yes |
| McHenry | 310,229 | 28-Sep-2024 | | Woodstock | |
| McLean | 170,954 | 27-Jun-2023 | | Bloomington | yes |
| Macon | 103,998 | 24-Jun-2023 | | Decatur | yes |
| Macoupin | 44,967 | 13-Jul-2022 | | Carlinville | |
| Madison | 265,859 | 13-Jul-2022 | | Edwardsville | yes |
| Marion | 37,729 | 24-Jun-2023 | | Salem | yes |
| Marshall | 11,742 | 26-Jun-2023 | | Lacon | |
| Mason | 13,086 | 28-Aug-2015 | | Havana | yes |
| Massac | 14,169 | 5-Aug-2024 | | Metropolis | yes |
| Menard | 12,297 | 13-Aug-2000 | | Petersburg | yes |
| Mercer | 15,699 | 24-Jun-2023 | | Aledo | yes |
| Monroe | 34,962 | 14-Jul-2022 | | Waterloo | yes |
| Montgomery | 28,288 | 18-Aug-1995 | | Hillsboro | |
| Morgan | 32,915 | 1-Jul-2023 | | Jacksonville | yes |
| Moultrie | 14,526 | 6-Oct-2021 | | Sullivan | |
| Ogle | 51,788 | 13-Jul-2022 | | Oregon | yes |
| Peoria | 181,830 | 26-Jun-2023 | | Peoria | yes |
| Perry | 20,945 | 24-Jun-2023 | | Pinckneyville | yes |
| Piatt | 16,673 | 27-Jun-2023 | | Monticello | yes |
| Pike | 14,739 | 1-Jul-2023 | | Pittsfield | yes |
| Pope | 3,763 | 8-Aug-2007 | | Golconda | yes |
| Pulaski | 5,193 | 22-Jul-2020 | | Mound City | yes |
| Putnam | 5,637 | 11-Oct-2021 | | Hennepin | |
| Randolph | 30,163 | 19-Oct-2023 | | Chester | yes |
| Richland | 15,813 | 7-Oct-2021 | | Olney | yes |
| Rock Island | 144,672 | 26-Jun-2023 | | Rock Island | yes |
| St. Clair | 257,400 | 5-Aug-2024 | | Belleville | yes |
| Saline | 23,768 | 22-Jun-2023 | | Harrisburg | yes |
| Sangamon | 196,343 | 1-Jul-2023 | | Springfield | yes |
| Schuyler | 6,902 | 24-Jun-2023 | | Rushville | yes |
| Scott | 4,949 | 4-Sep-2015 | | Winchester | |
| Shelby | 20,990 | 1-Jul-2023 | | Shelbyville | yes |
| Stark | 5,400 | 26-Jun-2023 | | Toulon | |
| Stephenson | 44,630 | 20-Aug-1998 | | Freeport | yes |
| Tazewell | 131,343 | 26-Jun-2023 | | Pekin | yes |
| Union | 17,244 | 24-Jun-2023 | | Jonesboro | |
| Vermilion | 74,188 | 25-Sep-2023 | | Danville | yes |
| Wabash | 11,361 | 6-Aug-2024 | | Mount Carmel | yes |
| Warren | 16,835 | 24-Jun-2023 | | Monmouth | yes |
| Washington | 13,761 | 5-Aug-2024 | | Nashville | yes |
| Wayne | 16,179 | 6-Aug-2024 | | Fairfield | yes |
| White | 13,877 | 22-Jun-2023 | | Carmi | yes |
| Whiteside | 55,691 | 13-Jul-2022 | | Morrison | |
| Will | 696,355 | 25-Sep-2023 | | Joliet | yes |
| Williamson | 67,153 | 5-Aug-2024 | | Marion | yes |
| Winnebago | 285,350 | 13-Jul-2022 | | Rockford | yes |
| Woodford | 38,467 | 26-Jun-2023 | | Eureka | yes |
Idaho | Indiana
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