McHenry
County Fact Sheet
Addresses for County
Courthouse and IRAD:
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McHenry County Government Center
2200 North Seminary Avenue
Woodstock, IL 60098
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County Clerk
Circuit Clerk
Recorder
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(815) 334-4242
(815) 334-4310
(815) 334-4110
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IRAD Depository
Regional History Center
Founders Memorial Library
Room 400
Northern Illinois University
DeKalb, IL 60115
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- Telephone:
(815) 753-1807
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Established: |
January 16, 1836 (Laws, 1836, p. 273) |
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Origin of the name
of the county: |
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Named for William McHenry, a pioneer of
White County, soldier of the War of 1812 and the Black Hawk War,
Representative in the first, fourth, fifth and ninth General
Assemblies, and Senator in the sixth General Assembly. |
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Present area, or
parts of it, formerly included in: |
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1831–1836 |
Cook |
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1831–1836 |
LaSalle |
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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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| County
Seats: |
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1837–1843 |
McHenry |
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1843– |
Woodstock—Named Centreville until 1844. |
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Old historic courthouse |
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History of county
governing board: |
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1836–1850 |
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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Alden |
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Algonquin |
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Burton |
Name changed from Benton on December 28, 1850. |
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Chemung |
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Coral |
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Dorr |
Name changed from Centre on December 28, 1850. |
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Dunham |
Name changed from Byron on December 28, 1850. |
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Grafton |
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Greenwood |
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Hartland |
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Hebron |
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McHenry |
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Marengo |
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Nunda |
Name changed from Brooklyn on December 28, 1850. |
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Richmond |
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Riley |
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Seneca |
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