Sterling city, Illinois
Official LSAD Designation: Sterling city • Census GEOID: 1772546
• Whiteside County
Sterling city is an incorporated city in Whiteside County, Illinois. According to official records from the Census (2025), Sterling city had an estimated population of 14,394 residents. Official Census Bureau geographic records classify this community under LSAD designation Sterling city (GEOID 1772546).
Local Government Administration U.S. Census Bureau GMAF
City Of Sterling
Municipal
Official Title:
Manager
Address:
212 3RD AVE, STERLING IL 61081-3998
County Of Whiteside
County
Official Title:
County Administrator
Address:
200 E KNOX ST, MORRISON IL 61270-2819
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 14,394 | 2025 |
| Median Household Income | $57,350 | 2020-2024 |
| Median Home Value | $108,700 | 2020-2024 |
| Land Area | 5.95 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).