Washington County, Oklahoma ZIP Codes
- ZIP records
6 - Cities represented
6 - Sum of listed ZIP population estimates
39,305
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 74006 | Bartlesville | 27,911 |
| 2 | 74029 | Dewey | 5,331 |
| 3 | 74061 | Ramona | 2,245 |
| 4 | 74051 | Ochelata | 1,888 |
| 5 | 74022 | Copan | 1,793 |
| 6 | 74082 | Vera | 137 |
Cities in Washington County
ZIP Directory
Browse all ZIP data for Oklahoma
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.