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Ogle County
Contact InformationCounty Clerk
Ogle County Courthouse
105 S. 5th St., Ste. 104
Oregon, IL 61061
815-732-1110
Recorder
Ogle County Courthouse
105 S. 5th St., Ste. 212
Oregon, IL 61061
815-732-1115
Circuit Clerk
Ogle County Judicial Center
106 5th St., Ste. 300
Oregon, IL 61061
815-732-1130
IRAD Depository
Founders Memorial Library
Rm. 245B
Northern Illinois University
DeKalb, IL 60115
815-753-1807
Established
- January 16, 1836 (Laws, 1836, p. 274)
- County organization was completed in 1837.
Origin of the name of the county
- Named for Joseph Ogle, pioneer politician and Lieutenant of the Territorial militia.
Present area, or parts of it, formerly included in
- 1836–1837 – Attached to JoDaviess (Laws, 1836, p. 277)
- 1831–1836 – LaSalle
- 1827–1836 – JoDaviess
- 1825–1831 – Putnam
- 1823–1825 – Fulton
- 1821–1823 – Pike
- 1819–1821 – Clark
- 1816–1819 – Crawford
- 1815–1816 – Edwards
- 1812–1815 – Madison
- 1817–1821 – Bond
- 1795–1812 – St. Clair
County Seats
- 1838–present – Oregon
History of county governing board
- 1837–1850 – County Commissioners’ Court
- 1850–present – County Board of Supervisors
Township Government
- Adopted – November 6, 1849
Township Names
- Brookville
- Buffalo
- Byron
- Dement – Formed from Flagg on February 13, 1856.
- Eagle Point – Formed from Buffalo in September, 1869.
- Flagg
- Forreston – Formed from Brookville on March 4, 1857.
- Grand Detour
- Lafayette
- Leaf River
- Lincoln – Formed as Haldane from Buffalo and Mt. Morris in September, 1869; changed name from Haldane to Lincoln in December, 1873.
- Lynnville
- Marion
- Maryland – Name changed from Harrison on November 12, 1850.
- Monroe
- Mount Morris
- Nashua
- Oregon
- Pine Creek
- Pine Rock – Name changed from Eagle on November 12, 1850.
- Rockvale – Name changed from Brooklyn on November 12, 1850.
- Scott
- Taylor
- White Rock
- Woosung – Formed from Buffalo on September 15, 1880.
Township Map
Pertinent Databases
- Illinois Public Domain Land Tract Sales Database
- Illinois Statewide Death Index, 1916–1950
- Illinois Statewide Marriage Index
- Local Governmental Records Database
- Name Index to Illinois Local Governments
- Ogle County Almshouse Register Index (1878–1933)
- Ogle County Naturalization Papers (County Court) Index (1872–1906)