Butler County, Ohio
Butler County is a county in Ohio. Its county FIPS code is 39017. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 39017
- Representative coordinates
- 39.439747, -84.565734
- County type
- County
- County seat or government
- Hamilton
- Resident population, July 2025
- 400,128
- Land area
- 1,208.311 km²
- Water area
- 9.156 km²
- State
- Ohio
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Butler 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
45003 · 45011 · 45013 · 45014 · 45015 · 45042 · 45044 · 45050 · 45053 · 45055 · 45056 · 45062 · 45064 · 45067 · 45069 · 45241 · 45246 · 45327
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Butler County government website ↗ is the next stop for county offices, tax, voting, jury and records information. 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.
- Beckett Ridge CDP, OH
- College Corner village, OH
- Darrtown CDP, OH
- Fairfield city, OH
- Four Bridges CDP, OH
- Hamilton city, OH
- Jacksonburg village, OH
- Middletown city, OH
- Millville village, OH
- Monroe city, OH
- New Miami village, OH
- Olde West Chester CDP, OH
- Oxford city, OH
- Ross CDP, OH
- Seven Mile village, OH
- Sharonville city, OH
- Somerville CDP, OH
- Trenton city, OH
- Wetherington CDP, OH
- Williamsdale CDP, OH
- Woodsdale CDP, 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.
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.