Jefferson County, Ohio
Jefferson County is a county in Ohio. Its county FIPS code is 39081. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 39081
- Representative coordinates
- 40.399384, -80.763527
- County type
- County
- County seat or government
- Steubenville
- Resident population, July 2025
- 63,597
- Land area
- 1,057.037 km²
- Water area
- 7.335 km²
- State
- Ohio
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Jefferson 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
43901 · 43903 · 43907 · 43908 · 43910 · 43913 · 43917 · 43925 · 43926 · 43930 · 43932 · 43938 · 43939 · 43943 · 43944 · 43945 · 43948 · 43952 · 43953 · 43961 · 43963 · 43964 · 43971
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.
- Adena village, OH
- Amsterdam village, OH
- Bergholz village, OH
- Bloomingdale village, OH
- Brilliant CDP, OH
- Connorville CDP, OH
- Dillonvale village, OH
- East Springfield CDP, OH
- Empire village, OH
- Irondale village, OH
- Mingo Junction village, OH
- Mount Pleasant village, OH
- New Alexandria village, OH
- Pottery Addition CDP, OH
- Rayland village, OH
- Richmond village, OH
- Steubenville city, OH
- Stratton village, OH
- Tiltonsville village, OH
- Toronto city, OH
- Wintersville village, OH
- Yorkville village, OH
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.