Hamilton County, Ohio
Hamilton County is a county in Ohio. Its county FIPS code is 39061. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 39061
- Representative coordinates
- 39.196927, -84.544187
- County type
- County
- County seat or government
- Cincinnati
- Resident population, July 2025
- 838,418
- Land area
- 1,050.12 km²
- Water area
- 18.613 km²
- State
- Ohio
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Hamilton 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
45001 · 45002 · 45013 · 45030 · 45033 · 45041 · 45051 · 45052 · 45069 · 45111 · 45140 · 45150 · 45174 · 45202 · 45203 · 45204 · 45205 · 45206 · 45207 · 45208 · 45209 · 45211 · 45212 · 45213 · 45214 · 45215 · 45216 · 45217 · 45218 · 45219 · 45220 · 45223 · 45224 · 45225 · 45226 · 45227 · 45229 · 45230 · 45231 · 45232 · 45233 · 45236 · 45237 · 45238 · 45239 · 45240 · 45241 · 45242 · 45243 · 45244 · 45246 · 45247 · 45248 · 45249 · 45251 · 45252 · 45255 · 45267
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.
- Addyston village, OH
- Amberley village, OH
- Arlington Heights village, OH
- Blue Ash city, OH
- Blue Jay CDP, OH
- Brecon CDP, OH
- Bridgetown CDP, OH
- Camp Dennison CDP, OH
- Cherry Grove CDP, OH
- Cheviot city, OH
- Cincinnati city, Ohio
- Cleves village, OH
- Coldstream CDP, OH
- Concorde Hills CDP, OH
- Covedale CDP, OH
- Deer Park city, OH
- Delhi Hills CDP, OH
- Delshire CDP, OH
- Dent CDP, OH
- Dillonvale CDP, OH
- Dry Ridge CDP, OH
- Dry Run CDP, OH
- Dunlap CDP, OH
- Elizabethtown CDP, OH
- Elmwood Place village, OH
- Evendale village, OH
- Fairfax village, OH
- Fairfield city, OH
- Finneytown CDP, OH
- Forest Park city, OH
Browse all cities, towns and communities for Hamilton 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.