| ZIP Codes: | 4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Code: | 406 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 11:54:12 PM |
| Population: | 1,744 [See All] |
| FIPS: | 30051 |
| Land Area: | 1,330 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 48.6476, -111.0918 |
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1,744 residents live across 4 ZIPs covering 1,330 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 2,036 to 1,744 from 2014 to 2024 — a -14.3% change. 2 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 59545 (Whitlash, $100,781 median) and poorest ZIP 59522 (Chester, $57,212) are 26.8 miles apart — a 1.8× income gap across local geography.
Median home values vary 2.7× across this county — from $110,000 in 59531 (Joplin) to $291,700 in 59545 (Whitlash).
Density varies 3× across the county — from 0 people/sq mi in 59545 (Whitlash) to 2 in 59531 (Joplin).
Educational attainment ranges from 21.0% bachelor's+ in 59531 (Joplin) to 30.9% in 59522 (Chester) — the breadth of educational profiles across the area.
Within Montana, this is the #46 most populous of 56 counties and ranks #14 for median household income .
Weighted by population, the typical household earns about $60,782 across the county — reflecting what a typical resident sees, not a simple ZIP average.
29.4% of adults age 25+ hold a bachelor's degree or higher (351 of 1,194 reporting).
4 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.
Liberty County lost 14.3% of residents between 2014 and 2024. ZIPs that shed the largest share: