Monmouth, IL Public Records
Monmouth is an incorporated city in Warren County, Illinois, with an estimated population of 8,639 (U.S. Census Bureau, July 2024 estimate) and 4.2 square miles of land. That is down about 285 residents since the 2020 Census base.
🏢 Monmouth City Hall
Monmouth's own city government keeps its local records: council or board meeting minutes, local ordinances and resolutions, local permits and licenses, and its own budget and contracts. Requests for those records go to the city clerk under the Illinois Freedom of Information Act. Birth and death certificates, marriage records, deeds and court files are generally kept by county and state offices rather than by the city; see the offices below.
📇 Monmouth Contact on File
| Government | City Of Monmouth |
| Contact listed | City Administrator |
| Mailing address | 100 E Broadway, Monmouth, IL 61462 |
| Phone | Not stated |
| Official website | www.cityofmonmouth.com |
| Source | U.S. Census Bureau, 2022 Census of Governments: Government Units listing ↗ |
This is the mailing address the government reported to the U.S. Census Bureau; it may be a post office box or the office of an elected official rather than a public counter, and the source does not list a phone number. The website was reported by the government and was answering when we last checked. Call or check the official website before you visit.
↑ Back to record types🏛️ County Courthouse & Records Office for Monmouth
Monmouth is in Warren County. In Illinois, deeds, mortgages and other land records are recorded by the county Recorder (in some counties, the County Clerk). Divorce cases in Illinois are heard by the Circuit Court in each county. Wills and estates in Illinois are handled by the Circuit Court in each county.
📍 Warren County at a Glance
| County | Warren County |
| County population (2024 est.) | 16,217 Source: www2.census.gov ↗ |
⚖️ Warren County Circuit Clerk
| Address | 100 West Broadway, Monmouth, Illinois 61462-1795 |
| Directions | Get directions ↗ |
| Phone | (309) 734-5179 |
| Hours | Not stated |
| Records available | Circuit court case records (civil, criminal, traffic, family, probate, small claims) |
| Official website | Not stated |
| Sources | illinoiscourts.gov/…/circuit-court-clerks ↗ |
| Last verified | October 16, 2026 |
See the full Warren County records page →
↑ Back to record types📋 Where to Get Records for Monmouth
Where to get the most-requested public records for people and property in Monmouth, IL:
📋 Monmouth Records Guide
| Birth & death certificates | Illinois Department of Public Health – Vital RecordsIn Illinois, certified birth and death certificates can also be ordered from the County Clerk. |
| Deeds & property records | In Illinois, deeds, mortgages and other land records are recorded by the county Recorder (in some counties, the County Clerk). |
| Court cases & divorce | Warren County courthouse. Divorce cases in Illinois are heard by the Circuit Court in each county. |
| Wills & estates | Wills and estates in Illinois are handled by the Circuit Court in each county. |
| State court system | Illinois Courts |
| Sex offender registry | Illinois Sex Offender Registry (Illinois State Police) |