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Boone County
Contact InformationCounty Clerk and Recorder
1212 Logan Ave., Ste. 103
Belvidere, IL 61008
815-544-3103
Circuit Clerk
Boone County Courthouse
601 N. Main St.
Belvidere, IL 61008
815-544-0371
IRAD Depository
Founders Memorial Library
Rm. 245B
Northern Illinois University
DeKalb, IL 60115
815-753-1807
Established
- March 4, 1837 (Laws, 1837, p. 96)
Origin of the name of the county
- Named for Daniel Boone, a pioneer hunter, Indian fighter and pathfinder of the early days.
Present area, or parts of it, formerly included in
- 1836–1837 – Winnebago
- 1831–1836 – LaSalle
- 1825–1831 – Putnam
- 1823–1825 – Fulton
- 1821–1823 – Pike
- 1819–1821 – Clark
- 1816–1819 – Crawford
- 1815–1816 – Edwards
- 1812–1815 – Madison
- 1801–1812 – St. Clair
County Seats
- 1837–present – Belvidere
History of county governing board
- 1837–1850 – County Commissioners’ Court
- 1850–present – County Board of Supervisors
Township Government
- Adopted – November 6, 1849
Township Names
- Belvidere
- Bonus
- Boone
- Caledonia
- Flora – Original name of Fairfield changed to Burton in April, 1851 and to Flora in October, 1851.
- Leroy
- Manchester
- Poplar Grove – Formed from Caledonia and Boone after 1921.
- Spring – Original name of Concord changed to Ohio in April, 1851 and to Spring in October, 1851.
Township Map
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