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Illinois County Table
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|
County |
Date of |
Parent County |
County Seat |
County Coordinators |
|
| Unknown | |||||
| Adams | 1825 | Pike | Quincy | ||
| Alexander | 1819 | Union | Cairo | ||
| Bond | 1818 | Madison | Greenville | ||
| Boone | 1836 | Winnebago | Belvidere | ||
| Brown | 1837 | Schuyler | Mount Sterling | ||
| Bureau | 1837 | Putnam | Princeton | ||
|
Calhoun |
1825 | Pike | Hardin | ||
| Carroll | 1839 | Jo Daviess | Mount Carroll | ||
| Cass | 1837 | Morgan | Virginia | ||
| Champaign | 1833 | Vermilion | Urbana | ||
| Christian | 1839 | Dane (Montgomery, Sangamon, Shelby) | Taylorville | ||
| Clark | 1819 | Crawford | Marshall | ||
| Clay | 1824 | Crawford, Fayette, Wayne | Louisville | ||
| Clinton | 1824 | Bond, Washington | Carlyle | ||
| Coles | 1830 | Clark, Edgar | Charleston | Billie Erin Walsh | |
| Cook | 1831 | Putnam | Chicago | Katy Hestand | |
|
Crawford |
1816 | Edwards (IT) | Robinson | ||
| Cumberland | 1843 | Coles | Toledo | ||
| Dane | 1839 | Montgomery, Sangamon, Shelby | Extinct
- 1840 Now Christian |
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| DeKalb | 1837 | Kane | Sycamore | ||
| DeWitt | 1839 | Macon, McLean | Clinton | ||
| Douglas | 1859 | Coles | Tuscola | ||
| DuPage | 1839 | Cook | Wheaton | ||
| Edgar | 1823 | Clark | Paris | ||
| Edwards | 1814 | Gallatin, Madison (IT) | Albion | ||
| Effingham | 1831 | Crawford, Fayette | Effingham | ||
| Fayette | 1821 | Bond, Clark, Crawford, Jefferson | Vandalia | ||
| Ford | 1859 | unorganized (Vermilion) | Paxton | ||
| Franklin | 1818* | Gallatin, White | Benton | ||
| Fulton | 1823 | Pike | Lewistown | ||
| Gallatin | 1812 | Randolph (IT) | Shawneetown | ||
| Greene | 1821 | Madison | Carrollton | ||
| Grundy | 1841 | LaSalle | Morris | ||
| Hamilton | 1821 | White | McLeansboro | ||
| Hancock | 1825 | Pike | Carthage | ||
| Hardin | 1839 | Gallatin, Pope | Elizabethtown | ||
| Henderson | 1841 | Warren | Oquawka | Gail Meyer Kilgore | |
| Henry | 1825 | unorganized (Fulton) | Cambridge | ||
| Iroquois | 1833 | unorganized (Vermilion) | Watseka | ||
| Jackson | 1816 | Johnson, Randolph | Murphysboro | ||
| Jasper | 1831 | Clay, Crawford | Newton | ||
| Jefferson | 1819 | Edwards, White | Mt. Vernon | ||
| Jersey | 1839 | Greene | Jerseyville | ||
| JoDaviess | 1827 | Henry, Putnam | Galena | Jeanne Hicks | |
| Johnson | 1812 | Randolph (IT) | Vienna | ||
| Kane | 1836 | unorganized (LaSalle), Cook | Geneva | ||
| Kankakee | 1853 | Ford, Iroquois, Will | Kankakee | ||
| Kendall | 1841 | LaSalle, Kane | Yorkville | ||
| Knox | 1825 | unorganized (Fulton), Fulton, Henry | Galesburg | ||
| Knox | Northwest Territory | extinct | |||
|
Lake Rootsweb Lake Onsite |
1839 | McHenry | Waukegan | Adoptable | |
| LaSalle | 1831 | Putnam, unorganized (Tazewell) | Ottawa | ||
| Lawrence | 1821 | Crawford, Edwards | Lawrenceville | ||
| Lee | 1839 | Ogle | Dixon | ||
| Livingston | 1837 | LaSalle, McLean, unorganized (Vermilion?) | Pontiac | ||
| Logan | 1839 | McLean, Sangamon, Tazewell | Lincoln | ||
| Macon | 1829 | unorganized (Shelby) | Decatur | ||
| Macoupin | 1829 | unorganized (Greene), Madison | Carlinville | ||
| Madison | 1812 | St. Clair (IT) | Edwardsville | ||
| Marion | 1823 | Fayette, Jefferson | Salem | ||
| Marshall | 1839 | Putnam, LaSalle | Lacon | ||
| Mason | 1841 | Menard, Tazewell | Havana | ||
| Massac | 1843 | Johnson, Pope | Metropolis | ||
| McDonough | 1826 | Schuyler | Macomb | ||
| McHenry | 1836 | Cook, unorganized (LaSalle) | Woodstock | ||
| McLean | 1830 | Tazewell, unorganized (Tazewell) | Bloomington | ||
| Menard | 1839 | Sangamon | Petersburg | ||
| Mercer | 1825 | unorganized (Pike) | Aledo | ||
| Monroe | 181 | Randolph, St. Clair | Waterloo | ||
| Montgomery | 1821 | Bond, Madison | Hillsboro | ||
| Morgan | 1823 | unorganized (Greene), Sangamon | Jacksonville | ||
| Moultrie | 1843 | Macon, Shelby | Sullivan | ||
| Ogle | 1836 | Jo Daviess, unorganized (LaSalle) | Oregon | Gail Meyer Kilgore | |
| Peoria | 1825 | Fulton, unorganized (Fulton) | Peoria | ||
| Perry | 1827 | Jackson, Randolph | Pickneyville | ||
| Piatt | 1841 | DeWitt, Macon | Monticello | ||
| Pike | 1821 | Madison | Pittsfield | ||
| Pope | 1816 | Gallatin, Johnson | Golconda | ||
| Pulaski | 1843 | Alexander, Johnson | Mound City | ||
| Putnam | 1825 | unorganized (Edgar, Fulton) | Hennepin | ||
| Randolph | 1795 | St. Clair, Northwest Territory | Chester | ||
| Richland | 1841 | Clay, Lawrence | Olney | ||
| Rock Island | 1831 | Jo Daviess | Rock Island | ||
| Saline | 1847 | Gallatin | Harrisburg | ||
| Sangamon | 1821 | Bond, Madison | Springfield | ||
| Schuyler | 1825 | Pike, unorganized (Pike) | Rushville | ||
| Scott | 1839 | Morgan | Winchester | ||
| Shelby | 1827 | Fayette | Shelbyville | ||
| Stark | 1839 | Knox, Putnam | Toulon | ||
| St. Clair | 1790 | Northwest Territory | Belleville | ||
| Stephenson | 1837 | Jo Daviess, Winnebago | Freeport | Gail Meyer Kilgore | |
| Tazewell | 1827 | unorganized (Peoria), Fayette | Pekin | ||
| Union | 1818 | Johnson, Jackson | Jonesboro | ||
| Vermilion | 1826 | unorganized (Edgar) | Danville | ||
| Wabash | 1824 | Edwards | Mount Carmel | ||
| Warren | 1825 | unorganized (Pike) | Monmouth | ||
| Washington | 1818 | St. Clair | Nashville | ||
| Wayne | 1819 | Edwards | Fairfield | ||
| White | 1815 | Madison (IT) | Carmi | ||
| Whiteside | 1836 | Jo Daviess, Henry | Morrison | ||
| Will | 1836 | Cook, Iroquois | Joliet | ||
| Williamson | 1839 | Franklin | Marion | Don Kelly | |
| Winnebago | 1836 | JoDaviess, unorganized (LaSalle) | Rockford | ||
| Woodford | 1841 | McLean, Tazewell | Eureka | ||
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