Adams County, Washington ZIP Codes
- ZIP records
5 - Cities represented
5 - Sum of listed ZIP population estimates
23,321
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 | 99344 | Othello | 19,534 |
| 2 | 99169 | Ritzville | 2,587 |
| 3 | 99341 | Lind | 765 |
| 4 | 99371 | Washtucna | 394 |
| 5 | 99105 | Benge | 41 |
Cities in Adams County
ZIP Directory
Browse all ZIP data for Washington
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.