Mercer County, Kentucky
Mercer County is a county in Kentucky. Its county FIPS code is 21167. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 21167
- Representative coordinates
- 37.812085, -84.879695
- County type
- County
- County seat or government
- Harrodsburg
- Resident population, July 2025
- 23,733
- Land area
- 645.898 km²
- Water area
- 10.166 km²
- State
- Kentucky
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Mercer 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
40310 · 40330 · 40342 · 40372 · 40468
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
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Find the county at your current point, check its ZIP area, or find its physical time zone.