Effingham city, Illinois
Official LSAD Designation: Effingham city • Census GEOID: 1722736
• Effingham County
Effingham city is an incorporated city in Effingham County, Illinois. According to official records from the Census (2025), Effingham city had an estimated population of 12,406 residents. Official Census Bureau geographic records classify this community under LSAD designation Effingham city (GEOID 1722736).
Local Government Administration U.S. Census Bureau GMAF
City Of Effingham
Municipal
Official Title:
City Administrator
Address:
201 E JEFFERSON AVE, EFFINGHAM IL 62401-3450
County Of Effingham
County
Official Title:
Chairman
Address:
101 N 4TH ST, SUITE 301, EFFINGHAM IL 62401-3482
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 12,406 | 2025 |
| Median Household Income | $72,377 | 2020-2024 |
| Median Home Value | $177,500 | 2020-2024 |
| Land Area | 10.89 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).