Illinois City, IL Public Records
Illinois City is an unincorporated community (a census-designated place) in Rock Island County, Illinois, with an estimated population of 73 (U.S. Census Bureau, 2020–2024 American Community Survey) and 0.5 square miles of land.
🏢 Local Government for Illinois City
Illinois City is not an incorporated city or town, so it has no city hall, town clerk or local government of its own. Local government services and records for Illinois City come from Rock Island County and from the township or town government whose territory includes it. Birth and death certificates, marriage records, deeds and court files come from the county and state offices below.
Population figure: U.S. Census Bureau, 2020–2024 American Community Survey 5-year estimate for the Illinois City census-designated place (a statistical area, not a government).
↑ Back to record types🏛️ County Courthouse & Records Office for Illinois City
Illinois City is in Rock Island 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.
📍 Rock Island County at a Glance
| County | Rock Island County |
| County population (2024 est.) | 142,731 Source: www2.census.gov ↗ |
⚖️ Rock Island County Circuit Clerk
| Address | P.O. Box 5230, Rock Island, Illinois 61201-5230 (mailing address) |
| Phone | (309) 558-3538 |
| 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 Rock Island County records page →
↑ Back to record types📋 Where to Get Records for Illinois City
Where to get the most-requested public records for people and property in Illinois City, IL:
📋 Illinois City 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 | Rock Island 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) |