| ZIP Codes: | 5 ZIP Codes (5 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 406 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:12:54 PM |
| Population: | 1,370 [See All] |
| FIPS: | 30075 |
| Land Area: | 2,772 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 45.4496, -105.5788 |
| Quick Link: |
1,370 residents live across 5 ZIPs covering 2,772 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 1,465 to 1,335 from 2014 to 2024 — a -8.9% change. 1 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 59314 (Biddle, $91,875 median) and poorest ZIP 59062 (Otter, $28,750) are 29.1 miles apart — a 3.2× income gap across local geography.
Educational attainment ranges from 22.2% bachelor's+ in 59317 (Broadus) to 28.7% in 59314 (Biddle) — the breadth of educational profiles across the area.
Within Montana, this is the #48 most populous of 56 counties and ranks #32 for median household income .
Weighted by population, the typical household earns about $71,932 across the county — reflecting what a typical resident sees, not a simple ZIP average.
24.0% of adults age 25+ hold a bachelor's degree or higher (238 of 990 reporting).
5 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.
Powder River County lost 6.5% of residents between 2014 and 2024.