Centralia city, Illinois
Official LSAD Designation: Centralia city • Census GEOID: 1712164
• Clinton County / Jefferson County / Marion County / Washington County
Centralia city is an incorporated city in Clinton County, Jefferson County, Marion County, Washington County, Illinois. According to official records from the Census (2025), Centralia city had an estimated population of 11,863 residents. Official Census Bureau geographic records classify this community under LSAD designation Centralia city (GEOID 1712164).
Local Government Administration U.S. Census Bureau GMAF
City Of Centralia
Municipal
Official Title:
Treasurer
Address:
222 S POPLAR ST, CENTRALIA IL 62801-3524
County Of Clinton
County
Official Title:
County Clerk
Address:
PO BOX 308, CARLYLE IL 62231-0308
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 11,863 | 2025 |
| Median Household Income | $47,807 | 2020-2024 |
| Median Home Value | $89,600 | 2020-2024 |
| Land Area | 8.20 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).