Fairfield County, Ohio
Fairfield County is a county in Ohio. Its county FIPS code is 39045. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 39045
- Representative coordinates
- 39.747694, -82.626685
- County type
- County
- County seat or government
- Lancaster
- Resident population, July 2025
- 169,752
- Land area
- 1,306.3 km²
- Water area
- 10.87 km²
- State
- Ohio
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Fairfield 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
43046 · 43062 · 43068 · 43076 · 43102 · 43103 · 43105 · 43107 · 43110 · 43112 · 43113 · 43130 · 43136 · 43147 · 43148 · 43150 · 43154 · 43155 · 43157
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.
- Amanda village, OH
- Baltimore village, OH
- Bremen village, OH
- Buckeye Lake village, OH
- Canal Winchester city, OH
- Carroll village, OH
- Columbus city, Ohio
- Fairfield Beach CDP, OH
- Hamburg CDP, OH
- Hide-A-Way Hills CDP, OH
- Lancaster city, OH
- Lithopolis village, OH
- Millersport village, OH
- Pickerington city, OH
- Pleasantville village, OH
- Reynoldsburg city, OH
- Rushville village, OH
- Stoutsville village, OH
- Sugar Grove village, OH
- Tarlton village, OH
- Thurston village, OH
- West Rushville 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.