Illinois has 102 Counties
There are 17 counties with no township government but are divided into precincts:
Alexander, Calhoun, Edwards, Hardin, Johnson, Massac, Menard, Monroe, Morgan, Perry, Pope, Pulaski, Randolph, Scott, Union, Wabash, and Williamson.
| County Name | Date of Formation |
Parent County | County Seat | Townships | County Coordinators |
|---|---|---|---|---|---|
| Adams | 1825 | Pike | Quincy | Map | Dennis Partridge |
| Alexander | 1819 | Union | Cairo | Deborah Cox | |
| Bond | 1818 | Madison | Greenville | Map | Norma Hass |
| Boone | 1836 | Winnebago | Belvidere | Map | ADOPTABLE |
| Brown | 1837 | Schuyler | Mount Sterling | Map | Dennis Partridge |
| Bureau | 1837 | Putnam | Princeton | Map | ADOPTABLE |
| Calhoun | 1825 | Pike | Hardin | ADOPTABLE | |
| Carroll | 1839 | Jo Daviess | Mount Carroll | Map | ADOPTABLE |
| Cass | 1837 | Morgan | Virginia | Map | Rebecca Maloney |
| Champaign | 1833 | Vermilion | Urbana | Map | ADOPTABLE |
| Christian | 1839 | Dane (Montgomery, Sangamon, Shelby) | Taylorville | Map | Morgan Edward Johnson |
| Clark | 1819 | Crawford | Marshall | Map | ADOPTABLE |
| Clay | 1824 | Crawford, Fayette, Wayne | Louisville | Map | Sandy Bauer |
| Clinton | 1824 | Bond, Washington | Carlyle | Map | Larry Jones |
| Coles | 1830 | Clark, Edgar | Charleston | Map | ADOPTABLE |
| Cook | 1831 | Putnam | Chicago | Map | Lu Ann Pilar |
| Crawford | 1816 * | Edwards (IT) | Robinson | Map | Mary Kozy |
| Cumberland | 1843 | Coles | Toledo | Map | Michael L. Hebert |
| DeKalb | 1837 | Kane | Sycamore | Map | ADOPTABLE |
| DeWitt | 1839 | Macon, McLean | Clinton | Map | Cheryl Rothwell |
| Douglas | 1859 | Coles | Tuscola | Map | ADOPTABLE |
| DuPage | 1839 | Cook | Wheaton | Map | ADOPTABLE |
| Edgar | 1823 | Clark | Paris | Map | ADOPTABLE |
| Edwards | 1814* | Gallatin, Madison (IT) | Albion | ADOPTABLE | |
| Effingham | 1831 | Crawford, Fayette | Effingham | Map | ADOPTABLE |
| Fayette | 1821 | Bond, Clark, Crawford, Jefferson | Vandalia | Map | Penny Lewis |
| Ford | 1859 | unorganized (Vermilion) | Paxton | Map | ADOPTABLE |
| Franklin | 1818* | Gallatin, White | Benton | Map | Sandy Bauer |
| Fulton | 1823 | Pike | Lewistown | Map | ADOPTABLE |
| Gallatin | 1812* | Randolph (IT) | Shawneetown | Map | ADOPTABLE |
| Greene | 1821 | Madison | Carrollton | Map | ADOPTABLE |
| Grundy | 1841 | LaSalle | Morris | Map | Dennis Partridge |
| Hamilton | 1821 | White | McLeansboro | Map | Michael L. Hebert |
| Hancock | 1825 | Pike | Carthage | Map | ADOPTABLE |
| Hardin | 1839 | Gallatin, Pope | Elizabethtown | Sandy Bauer | |
| Henderson | 1841 | Warren | Oquawka | Map | ADOPTABLE |
| Henry | 1825 | unorganized (Fulton) | Cambridge | Map | ADOPTABLE |
| Iroquois | 1833 | unorganized (Vermilion) | Watseka | Map | Concetta Phillipps |
| Jackson | 1816* | Johnson, Randolph | Murphysboro | Map | Melissa McCord |
| Jasper | 1831 | Clay, Crawford | Newton | Map | ADOPTABLE |
| Jefferson | 1819 | Edwards, White | Mt. Vernon | Map | Sandy Bauer |
| Jersey | 1839 | Greene | Jerseyville | Map | Dennis Partridge |
| JoDaviess | 1827 | Henry, Putnam | Galena | Map | Andy Willis |
| Johnson | 1812* | Randolph (IT) | Vienna | ADOPTABLE | |
| Kane | 1836 | unorganized (LaSalle), Cook | Geneva | Map | ADOPTABLE |
| Kankakee | 1853 | Ford, Iroquois, Will | Kankakee | Map | ADOPTABLE |
| Kendall | 1841 | LaSalle, Kane | Yorkville | Map | ADOPTABLE |
| Knox | 1825 | unorganized (Fulton), Fulton, Henry | Galesburg | Map | ADOPTABLE |
| Lake | 1839 | McHenry | Waukegan | Map | ADOPTABLE |
| LaSalle | 1831 | Putnam, unorganized (Tazewell) | Ottawa | Map | ADOPTABLE |
| Lawrence | 1821 | Crawford, Edwards | Lawrenceville | Map | Mary Kozy |
| Lee | 1839 | Ogle | Dixon | Map | ADOPTABLE |
| Livingston | 1837 | LaSalle, McLean, unorganized (Vermilion?) | Pontiac | Map | ADOPTABLE |
| Logan | 1839 | McLean, Sangamon, Tazewell | Lincoln | Map | Cheryl Rothwell |
| Macon | 1829 | unorganized (Shelby) | Decatur | Map | Cheryl Rothwell |
| Macoupin | 1829 | unorganized (Greene), Madison | Carlinville | Map | Norma Hass |
| Madison | 1812* | St. Clair (IT) | Edwardsville | Map | Bev Bauser |
| Marion | 1823 | Fayette, Jefferson | Salem | Map | Sandy Bauer |
| Marshall | 1839 | Putnam, LaSalle | Lacon | Map | ADOPTABLE |
| Mason | 1841 | Menard, Tazewell | Havana | Map | ADOPTABLE |
| Massac | 1843 | Johnson, Pope | Metropolis | ADOPTABLE | |
| McDonough | 1826 | Schuyler | Macomb | Map | ADOPTABLE |
| McHenry | 1836 | Cook, unorganized (LaSalle) | Woodstock | Map | ADOPTABLE |
| McLean | 1830 | Tazewell, unorganized (Tazewell) | Bloomington | Map | ADOPTABLE |
| Menard | 1839 | Sangamon | Petersburg | Cheryl Rothwell |
|
| Mercer | 1825 | unorganized (Pike) | Aledo | Map | ADOPTABLE |
| Monroe | 1816* | Randolph, St. Clair | Waterloo | Carol Smith | |
| Montgomery | 1821 | Bond, Madison | Hillsboro | Map | Carrie "Kay" Wilson |
| Morgan | 1823 | unorganized (Greene), Sangamon | Jacksonville | Dennis Partridge | |
| Moultrie | 1843 | Macon, Shelby | Sullivan | Map | ADOPTABLE |
| Ogle | 1836 | Jo Daviess, unorganized (LaSalle) | Oregon | Map | Roger Cramer |
| Peoria | 1825 | Fulton, unorganized (Fulton) | Peoria | Map | ADOPTABLE |
| Perry | 1827 | Jackson, Randolph | Pickneyville | ADOPTABLE | |
| Piatt | 1841 | DeWitt, Macon | Monticello | Map | Dee Lund |
| Pike | 1821 | Madison | Pittsfield | Map | ADOPTABLE |
| Pope | 1816* | Gallatin, Johnson | Golconda | Sandy Bauer | |
| Pulaski | 1843 | Alexander, Johnson | Mound City | Deborah Cox | |
| Putnam | 1825 | unorganized (Edgar, Fulton) | Hennepin | Map | ADOPTABLE |
| Randolph | 1795* | St. Clair, Northwest Territory | Chester | Dennis Partridge | |
| Richland | 1841 | Clay, Lawrence | Olney | Map | ADOPTABLE |
| Rock Island | 1831 | Jo Daviess | Rock Island | Map | ADOPTABLE |
| Saline | 1847 | Gallatin | Harrisburg | Map | ADOPTABLE |
| Sangamon | 1821 | Bond, Madison | Springfield | Map | Cheryl Rothwell |
| Schuyler | 1825 | Pike, unorganized (Pike) | Rushville | Map | Dennis Partridge |
| Scott | 1839 | Morgan | Winchester | ADOPTABLE | |
| Shelby | 1827 | Fayette | Shelbyville | Map | ADOPTABLE |
| Stark | 1839 | Knox, Putnam | Toulon | Map | ADOPTABLE |
| St. Clair | 1790* | Northwest Territory | Belleville | Map | ADOPTABLE |
| Stephenson | 1837 | Jo Daviess, Winnebago | Freeport | Map | ADOPTABLE |
| Tazewell | 1827 | unorganized (Peoria), Fayette | Pekin | Map | ADOPTABLE |
| Union | 1818 * | Johnson, Jackson | Jonesboro | Melissa McCord | |
| Vermilion | 1826 | unorganized (Edgar) | Danville | Map | ADOPTABLE |
| Wabash | 1824 | Edwards | Mount Carmel | ADOPTABLE | |
| Warren | 1825 | unorganized (Pike) | Monmouth | Map | ADOPTABLE |
| Washington | 1818* | St. Clair | Nashville | Map | ADOPTABLE |
| Wayne | 1819 | Edwards | Fairfield | Map | Sandy Bauer |
| White | 1815* | Madison (IT) | Carmi | Map | Cindy Birk-Conley |
| Whiteside | 1836 | Jo Daviess, Henry | Morrison | Map | ADOPTABLE |
| Will | 1836 | Cook, Iroquois | Joliet | Map | Dennis Partridge |
| Williamson | 1839 | Franklin | Marion | ADOPTABLE | |
| Winnebago | 1836 | JoDaviess, unorganized (LaSalle) | Rockford | Map | ADOPTABLE |
| Woodford | 1841 | McLean, Tazewell | Eureka | Map | ADOPTABLE |
| PROJECTS |
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| Civil War |
ADOPTABLE | ||||
| History |
ADOPTABLE | ||||
| References |
ADOPTABLE |
For corrections or additions, please contact me: State Coordinator
