Richland County, Ohio
Richland County is a county in Ohio. Its county FIPS code is 39139. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 39139
- Representative coordinates
- 40.774159, -82.542781
- County type
- County
- County seat or government
- Mansfield
- Resident population, July 2025
- 124,893
- Land area
- 1,282.632 km²
- Water area
- 12.56 km²
- State
- Ohio
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Richland County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
43019 · 44805 · 44813 · 44822 · 44827 · 44833 · 44837 · 44843 · 44864 · 44865 · 44875 · 44878 · 44901 · 44902 · 44903 · 44904 · 44905 · 44906 · 44907
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.