Ontario city, Ohio
Official LSAD Designation: Ontario city • Census GEOID: 3958520
• Richland County
Ontario city is an incorporated city in Richland County, Ohio. According to official records from the Census (2025), Ontario city had an estimated population of 6,692 residents. Official Census Bureau geographic records classify this community under LSAD designation Ontario city (GEOID 3958520).
Local Government Administration U.S. Census Bureau GMAF
City Of Ontario
Municipal
Official Title:
Mayor
Address:
555 STUMBO RD, ONTARIO OH 44906-1259
County Of Richland
County
Official Title:
Planner
Address:
35 N PARK ST, MANSFIELD OH 44902
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 6,692 | 2025 |
| Median Household Income | $68,539 | 2020-2024 |
| Median Home Value | $174,500 | 2020-2024 |
| Land Area | 11.08 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).