Cleveland County, Oklahoma
Cleveland County is a county in Oklahoma. Its county FIPS code is 40027. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 40027
- Representative coordinates
- 35.206376, -97.323088
- County type
- County
- County seat or government
- Norman
- Resident population, July 2025
- 303,973
- Land area
- 1,395.767 km²
- Water area
- 49.207 km²
- State
- Oklahoma
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Cleveland County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Chicago | UTC-06:00 in January; UTC-05:00 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
73019 · 73020 · 73026 · 73051 · 73068 · 73069 · 73070 · 73071 · 73072 · 73135 · 73139 · 73149 · 73150 · 73159 · 73160 · 73165 · 73169 · 73170 · 73173 · 74851 · 74852 · 74857 · 74878
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
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.