Delaware County, Ohio
Delaware County is a county in Ohio. Its county FIPS code is 39041. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 39041
- Representative coordinates
- 40.278941, -83.007462
- County type
- County
- County seat or government
- Delaware
- Resident population, July 2025
- 242,032
- Land area
- 1,147.751 km²
- Water area
- 36.699 km²
- State
- Ohio
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Delaware 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
43003 · 43011 · 43013 · 43015 · 43016 · 43017 · 43021 · 43031 · 43032 · 43035 · 43040 · 43054 · 43061 · 43065 · 43066 · 43074 · 43081 · 43082 · 43235 · 43240 · 43334 · 43342 · 43344 · 43356
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Delaware 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.
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.