LLINOIS Counties - with hyperlinks to County Websites

ILLINOIS Counties

with hyperlinks to County Websites (offsite)

Blue areas indicate county not yet formed
Gray areas indicate county abolished
( * ) indicates that county formed before Illinois became a state
( IT ) = Illinois Terrritory

[1]

COUNTY ^PARENT COUNTY	DATE FORMED	1790	1800	1810	1820	1830	1840	1850	1860	1870
Adams ^Pike	1825
Alexander ^Union	1819
Bond ^Madison	1817 *
Boone ^Winnebago	1837
Brown ^Schuyler	1839
Bureau ^Putnam	1837
Calhoun ^Pike	1825
Carroll ^Jo Daviess	1839
Cass ^Morgan	1837
Champaign ^Vermilion	1833
Christian ^Dane (Montgomery, Sangamon, Shelby)	1839
Clark ^Crawford	1819
Clay ^Crawford, Fayette, Wayne	1824
Clinton ^Bond, Washington	1824
Coles ^Clark, Edgar	1830
Cook ^Putnam	1831
Crawford ^Edwards (IT)	1816 *
Cumberland ^Coles	1843
Dane ^Montgomery, Sangamon, Shelby	1839 Extinct - 1840 Now Christian
DeKalb ^Kane	1837
DeWitt ^Macon, McLean	1839
Douglas ^Coles	1859
DuPage ^Cook	1839

[2]

COUNTY ^PARENT COUNTY	DATE FORMED	1790	1800	1810	1820	1830	1840	1850	1860	1870
Edgar ^Clark	1823
Edwards ^Gallatin, Madison (IT)	1814 *
Effingham ^Crawford, Fayette	1831
Fayette ^Bond, Clark, Crawford, Jefferson	1821
Ford ^unorganized (Vermilion)	1859
Franklin ^Gallatin, White	1818 *
Fulton ^Pike	1823
Gallatin ^Randolph (IT)	1812 *
Greene ^Madison	1821
Grundy ^LaSalle	1841
Hamilton ^White	1821
Hancock ^Pike	1825
Hardin ^Gallatin, Pope	1839
Henderson ^Warren	1841
Henry ^unorganized (Fulton)	1825
Iroquois ^unorganized (Vermilion)	1833
Jackson ^Johnson, Randolph	1816 *
Jasper ^Clay, Crawford	1831
Jefferson ^Edwards, White	1819
Jersey ^Greene	1839
JoDaviess ^Henry, Putnam	1827
Johnson ^Randolph (IT)	1812 *
Kane ^unorganized (LaSalle), Cook	1836

[3]

COUNTY ^PARENT COUNTY	DATE FORMED	1790	1800	1810	1820	1830	1840	1850	1860	1870
Kankakee ^Ford, Iroquois, Will	1853
Kendall ^LaSalle, Kane	1841
Knox ^unorganized (Fulton), Fulton, Henry	1825
Original Knox ^Northwest Territory	extinct
Lake ^McHenry	1839
LaSalle ^Putnam, unorganized (Tazewell)	1831
Lawrence ^Crawford, Edwards	1821
Lee ^Ogle	1839
Livingston ^LaSalle, McLean, unorganized (Vermilion?)	1837
Logan ^McLean, Sangamon, Tazewell	1839
Macon ^unorganized (Shelby)	1829
Macoupin ^unorganized (Greene), Madison	1829
Madison ^St. Clair (IT)	1812 *
Marion ^Fayette, Jefferson	1823
Marshall ^Putnam, LaSalle	1839
Mason ^Menard, Tazewell	1841
Massac ^Johnson, Pope	1843
McDonough ^Schuyler	1826
McHenry ^Cook, unorganized (LaSalle)	1836
McLean ^Tazewell, unorganized (Tazewell)	1830
Menard ^Sangamon	1839
Mercer ^unorganized (Pike)	1825
Monroe ^Randolph, St. Clair	1816 *

[4]

COUNTY ^PARENT COUNTY	DATE FORMED	1790	1800	1810	1820	1830	1840	1850	1860	1870
Montgomery ^Bond, Madison	1821
Morgan ^unorganized (Greene), Sangamon	1823
Moultrie ^Macon, Shelby	1843
Ogle ^Jo Daviess, unorganized (LaSalle)	1836
Peoria ^Fulton, unorganized (Fulton)	1825
Perry ^Jackson, Randolph	1827
Piatt ^DeWitt, Macon	1841
Pike ^Madison	1821
Pope ^Gallatin, Johnson	1816 *
Pulaski ^Alexander, Johnson	1843
Putnam ^unorganized (Edgar, Fulton)	1825
Randolph ^St. Clair, Northwest Territory	1795 *
Richland ^Clay, Lawrence	1841
Rock Island ^Jo Daviess	1831
Saline ^Gallatin	1847
Sangamon ^Bond, Madison	1821
Schuyler ^Pike, unorganized (Pike)	1825
Scott ^Morgan	1839
Shelby ^Fayette	1827
Stark ^Knox, Putnam	1839
St. Clair ^Northwest Territory	1790 *
Stephenson ^Jo Daviess, Winnebago	1837
Tazewell ^unorganized (Peoria), Fayette	1827

[5]

COUNTY ^PARENT COUNTY	DATE FORMED	1790	1800	1810	1820	1830	1840	1850	1860	1870
Union ^Johnson, Jackson	1818 *
Vermilion ^unorganized (Edgar)	1826
Wabash ^Edwards	1824
Warren ^unorganized (Pike)	1825
Washington ^St. Clair	1818 *
Wayne ^Edwards	1819
White ^Madison (IT)	1815 *
Whiteside ^Jo Daviess, Henry	1836
Will ^Cook, Iroquois	1836
Williamson ^Franklin	1839
Winnebago ^JoDaviess, unorganized (LaSalle)	1836
Woodford ^McLean, Tazewell	1841

Additions or Corrections? Email (please include county/ state with your Email)

04 Apr 2003

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