| ZIP Codes: | 7 ZIP Codes (6 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 406 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:12:52 PM |
| Population: | 6,690 [See All] |
| FIPS: | 30005 |
| Land Area: | 4,132 sq mi |
| Water Area: | 11 sq mi |
| Coordinates: | 48.4845, -108.8541 |
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6,690 residents live across 7 ZIPs covering 4,132 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 6,160 to 6,690 from 2014 to 2024 — a +8.6% change. 4 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 59529 (Hogeland, $87,841 median) and poorest ZIP 59527 (Hays, $54,500) are 52.0 miles apart — a 1.6× income gap across local geography.
Median home values vary 4.0× across this county — from $80,800 in 59527 (Hays) to $325,000 in 59529 (Hogeland).
Educational attainment ranges from 10.6% bachelor's+ in 59529 (Hogeland) to 36.2% in 59523 (Chinook) — the breadth of educational profiles across the area.
Within Montana, this is the #30 most populous of 56 counties and ranks #26 for median household income with the #20 fastest decade growth .
Weighted by population, the typical household earns about $65,619 across the county — reflecting what a typical resident sees, not a simple ZIP average.
24.2% of adults age 25+ hold a bachelor's degree or higher (1,008 of 4,168 reporting).
6 Standard delivery, 1 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 59523 | Chinook | Standard | 2,356 | $73,906 | 1,379.5 | 4.3% |
| 59526 | Harlem | Standard | 2,319 | $63,869 | 747.7 | -3.2% |
| 59527 | Hays | PO Box | 1,345 | $54,500 | 265.6 | 29.7% |
| 59542 | Turner | Standard | 442 | $57,222 | 411.9 | 115.6% |
| 59529 | Hogeland | Standard | 144 | $87,841 | 317.4 | -10.6% |
| 59547 | Zurich | Standard | 51 | — | 286.8 | 70.0% |
| 59535 | Lloyd | Standard | 33 | — | 722.7 | -54.8% |