Zip Code 59003 — Ashland, MT
59003 is a ZIP Code associated with Ashland, MT, located within Powder River. 59003 ranks #1 out of 7 ZIP codes in Powder River County by population (and #115 out of 369 in MT). The area supports an estimated population of 1,334 residents across Data Pending housing units, with a population density of 0.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (45.481790, -106.201530)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 59003 |
| Primary City | Ashland |
| State / Province | MT |
| County | Powder River |
| Total Population | 1,334 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 0.7 people/sq mi |
| Timezone | America/Denver |
How 59003 Compares
| Metric | ZIP 59003 | Powder River County | MT State Average |
|---|
| Population | 1,334 | 2,886 (Total) | 1,117,606 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 0.7 /sq mi | -- | -- |
| County Pop Rank | #1 of 7 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →