Illinois Regional Archives Depository (IRAD) System Illinois State Archives
Monroe County Courthouse
100 S. Main St.
Waterloo, IL 62298
618-939-8681, ext. 302 – County Clerk
618-939-8681, ext. 223 – Circuit Clerk
618-939-8681, ext. 306 – Recorder
IRAD—c/o Records Management
Morris Library, Mail Code 6808
Southern Illinois University
1835 University Press Dr.
Carbondale, IL 62901-6808
- January 6, 1816 (Laws, 1815/16, p. 25)
Origin of the name of the county
- Named for James Monroe, statesman and fifth president of the United States. He held numerous state and national offices in nearly 50 years of public service, and was a popular Democratic-Republican president (1817–1825).
Present area, or parts of it, formerly included in
- 1790–1816 – St. Clair
- 1795–1816 – Randolph
- 1816–1825 – Harrisonville
- 1825–present – Waterloo
History of county governing board
- 1816–1818 – County Court
- 1818–1819 – Justices’ Court
- 1819–1849 – County Commissioners’ Court
- 1849–1873 – County Court
- 1873–present – Board of County Commissioners
- Monroe County has never adopted township form of government. The county has been divided into precincts.
- New Design
- New Hanover
- Prairie Du Long