Powder River County, Montana ZIP Codes
- ZIP records
7 - Cities represented
7 - Sum of listed ZIP population estimates
2,886
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 | 59003 | Ashland | 1,334 |
| 2 | 59317 | Broadus | 1,108 |
| 3 | 59351 | Volborg | 202 |
| 4 | 59314 | Biddle | 155 |
| 5 | 59062 | Otter | 51 |
| 6 | 59343 | Olive | 21 |
| 7 | 59316 | Boyes | 15 |
Cities in Powder River County
ZIP Directory
Browse all ZIP data for Montana
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.