Richland County OH United States
| County FIPS | 39139 |
| Largest City | Mansfield |
| State | Ohio |
| Latitude | 40.7747 |
| Longitude | -82.5365 |
| Population | 125,099 |
| Density | 252.67 people per square mile |
| Time Zone | America/New York |
Median household: $59,509
Median individual: $32,822
Mode: 84.6% White
Median house value: $164,671.0
Median: 40.9 years old
With at least college degree: 17.9%
With STEM degree: 37.5%
Never married: 31.1%
Unemployed: 5.4%
All data comes from the SimpleMaps US Counties Database, 2026.
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