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Established |
March 1, 1839 (Laws, 1839, p. 216) |
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Origin of the name
of the county: |
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Named for Lake Michigan. |
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Present area, or
parts of it, formerly included in: |
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1836–1839 |
McHenry |
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1831–1836 |
Cook |
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1825–1831 |
Putnam |
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1823–1825 |
Fulton |
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1821–1823 |
Pike |
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1819–1821 |
Clark |
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1816–1819 |
Crawford |
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1815–1816 |
Edwards |
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1812–1815 |
Madison |
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1801–1812 |
St. Clair |
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1795–1801 |
Knox, Northwest Territory |
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Seats: |
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1839–1841 |
Burlington |
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1841– |
Waukegan—Name changed from Little Fort in 1849. |
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History of county
governing board: |
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1839–1850 |
County Commissioners’ Court |
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1850– |
County Board of Supervisors |
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Township
Government |
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Adopted: |
November 6, 1849 |
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Township Names: |
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Antioch |
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Avon |
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Benton |
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Cuba |
Name changed from Troy (date unknown). |
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Ela |
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Fremont |
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Grant |
Name changed from Goodale (date unknown). |
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Lake Villa |
Formed from Antioch, Avon and Grant (Goodale) (date unknown). |
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Libertyville |
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Moraine |
Name changed from
Deerfield to Moraine on October 29, 1998. |
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Newport |
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Shields |
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Vernon |
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Warren |
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Wauconda |
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Waukegan |
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West Deerfield |
Formed from Deerfield (date unknown). |
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Zion |
Formed from Benton on September 12, 1930. |
