Clark County, Ohio
Clark County is a county in Ohio. Its county FIPS code is 39023. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 39023
- Representative coordinates
- 39.917032, -83.783676
- County type
- County
- County seat or government
- Springfield
- Resident population, July 2025
- 135,340
- Land area
- 1,025.322 km²
- Water area
- 14.609 km²
- State
- Ohio
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Clark 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
43010 · 43044 · 43078 · 43140 · 43153 · 45314 · 45316 · 45319 · 45323 · 45324 · 45341 · 45344 · 45349 · 45368 · 45369 · 45372 · 45387 · 45501 · 45502 · 45503 · 45504 · 45505 · 45506
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.
- Catawba village, OH
- Clifton village, OH
- Crystal Lakes CDP, OH
- Donnelsville village, OH
- Enon village, OH
- Green Meadows CDP, OH
- Holiday Valley CDP, OH
- Lawrenceville CDP, OH
- Medway CDP, OH
- New Carlisle city, OH
- North Hampton village, OH
- Northridge CDP, OH
- Park Layne CDP, OH
- South Charleston village, OH
- South Vienna village, OH
- Springfield city, OH
- Tremont City 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.