Chillicothe city, Illinois
Official LSAD Designation: Chillicothe city • Census GEOID: 1714117
• Peoria County
Chillicothe city is an incorporated city in Peoria County, Illinois. According to official records from the Census (2025), Chillicothe city had an estimated population of 6,033 residents. Official Census Bureau geographic records classify this community under LSAD designation Chillicothe city (GEOID 1714117).
Local Government Administration U.S. Census Bureau GMAF
City Of Chillicothe
Municipal
Official Title:
Clerk
Address:
908 N 2ND ST, CHILLICOTHE IL 61523-1847
County Of Peoria
County
Official Title:
Cfo
Address:
324 MAIN ST, STE 502, PEORIA IL 61602-2305
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 6,033 | 2025 |
| Median Household Income | $66,132 | 2020-2024 |
| Median Home Value | $132,900 | 2020-2024 |
| Land Area | 5.27 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).