Jefferson County, Kentucky
Jefferson County is a county in Kentucky. Its county FIPS code is 21111. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 21111
- Representative coordinates
- 38.189532, -85.657624
- County type
- County
- County seat or government
- Louisville
- Resident population, July 2025
- 795,222
- Land area
- 986.37 km²
- Water area
- 43.411 km²
- State
- Kentucky
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/Kentucky/Louisville | 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
40014 · 40023 · 40025 · 40041 · 40047 · 40059 · 40109 · 40118 · 40177 · 40202 · 40203 · 40204 · 40205 · 40206 · 40207 · 40208 · 40209 · 40210 · 40211 · 40212 · 40213 · 40214 · 40215 · 40216 · 40217 · 40218 · 40219 · 40220 · 40221 · 40222 · 40223 · 40228 · 40229 · 40231 · 40241 · 40242 · 40243 · 40245 · 40258 · 40272 · 40280 · 40291 · 40299
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.
- Anchorage city, KY
- Audubon Park city, KY
- Bancroft city, KY
- Barbourmeade city, KY
- Beechwood Village city, KY
- Bellemeade city, KY
- Bellewood city, KY
- Blue Ridge Manor city, KY
- Briarwood city, KY
- Broeck Pointe city, KY
- Brownsboro Farm city, KY
- Brownsboro Village city, KY
- Cambridge city, KY
- Coldstream city, KY
- Creekside city, KY
- Crossgate city, KY
- Douglass Hills city, KY
- Druid Hills city, KY
- Fincastle city, KY
- Forest Hills city, KY
- Glenview city, KY
- Glenview Hills city, KY
- Glenview Manor city, KY
- Goose Creek city, KY
- Graymoor-Devondale city, KY
- Green Spring city, KY
- Heritage Creek city, KY
- Hickory Hill city, KY
- Hills and Dales city, KY
- Hollow Creek city, KY
Browse all cities, towns and communities for Jefferson County
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.
Small boundary contacts to check
These maps have small contacts that do not confidently establish another jurisdiction or clock zone. They remain separate from the main answer. Check a precise address near the line with the responsible authority.