Olney city, Illinois
Official LSAD Designation: Olney city • Census GEOID: 1755912
• Richland County
Olney city is an incorporated city in Richland County, Illinois. According to official records from the Census (2025), Olney city had an estimated population of 8,347 residents. Official Census Bureau geographic records classify this community under LSAD designation Olney city (GEOID 1755912).
Local Government Administration U.S. Census Bureau GMAF
City Of Olney
Municipal
Official Title:
Treasurer
Address:
300 S WHITTLE AVE, OLNEY IL 62450-2252
County Of Richland
County
Official Title:
County Treasurer
Address:
103 W MAIN ST, STE 13, OLNEY IL 62450-2170
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 8,347 | 2025 |
| Median Household Income | $59,980 | 2020-2024 |
| Median Home Value | $99,800 | 2020-2024 |
| Land Area | 6.96 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).