County · Oklahoma · United States
Washington County ZIP codes
7 ZIP codes · 6 cities · FIPS 40147
Key facts
- State
- Oklahoma (OK)
- FIPS code
- 40147
- Population
- 52,895
- Median household income
- $61,205
- Median age
- 39.4
- Land area
- 415.5 sq mi (1,076.2 km²)
- Population density
- 127 / sq mi
- Area codes
- 539, 918
Cities and ZIP codes in Washington County (6)
| City | ZIP codes |
|---|---|
| Bartlesville | 74003, 74006 |
| Copan | 74022 |
| Dewey | 74029 |
| Ochelata | 74051 |
| Ramona | 74061 |
| Vera | 74082 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.