| ZIP Codes: | 4 ZIP Codes (2 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Code: | 406 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:12:53 PM |
| Population: | 5,076 [See All] |
| FIPS: | 30065 |
| Land Area: | 1,708 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 46.4919, -108.2397 |
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5,076 residents live across 4 ZIPs covering 1,708 sq mi, served by 3 distinct USPS-recognized cities.
Population moved from 4,808 to 5,076 from 2014 to 2024 — a +5.6% change. 3 ZIPs gained residents, 0 lost.
The county's wealthiest ZIP 59072 (Roundup, $59,594 median) and poorest ZIP 59059 (Musselshell, $39,519) are 26.6 miles apart — a 1.5× income gap across local geography.
Median home values vary 1.1× across this county — from $211,800 in 59059 (Musselshell) to $241,200 in 59072 (Roundup).
Density varies 8× across the county — from 1 people/sq mi in 59059 (Musselshell) to 4 in 59072 (Roundup).
Educational attainment ranges from 18.7% bachelor's+ in 59054 (Melstone) to 50.0% in 59059 (Musselshell) — the breadth of educational profiles across the area.
Within Montana, this is the #35 most populous of 56 counties and ranks #53 for median household income with the #26 fastest decade growth .
Weighted by population, the typical household earns about $58,726 across the county — reflecting what a typical resident sees, not a simple ZIP average.
21.9% of adults age 25+ hold a bachelor's degree or higher (823 of 3,752 reporting).
2 Standard delivery, 2 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.