| ZIP Codes: | 12 ZIP Codes (11 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 406 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:12:53 PM |
| Population: | 29,972 [See All] |
| FIPS: | 30047 |
| Land Area: | 1,383 sq mi |
| Water Area: | 119 sq mi |
| Coordinates: | 47.6163, -114.2022 |
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29,972 residents live across 12 ZIPs covering 1,383 sq mi, served by 12 distinct USPS-recognized cities.
Population moved from 27,263 to 29,972 from 2014 to 2024 — a +9.9% change. 8 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 59931 (Rollins, $112,083 median) and poorest ZIP 59855 (Pablo, $32,688) are 23.3 miles apart — a 3.4× income gap across local geography.
Median home values vary 7.6× across this county — from $160,600 in 59855 (Pablo) to $1,214,300 in 59914 (Dayton).
Density varies 97× across the county — from 6 people/sq mi in 59929 (Proctor) to 607 in 59855 (Pablo).
Educational attainment ranges from 9.6% bachelor's+ in 59855 (Pablo) to 45.0% in 59914 (Dayton) — the breadth of educational profiles across the area.
Within Montana, this is the #9 most populous of 56 counties and ranks #18 for median household income with the #17 fastest decade growth .
Weighted by population, the typical household earns about $62,959 across the county — reflecting what a typical resident sees, not a simple ZIP average.
28.6% of adults age 25+ hold a bachelor's degree or higher (5,943 of 20,791 reporting).
11 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
Median household income spans 3.4× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
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 |
|---|---|---|---|---|---|---|
| 59860 | Polson | Standard | 11,897 | $62,047 | 450.4 | 15.8% |
| 59864 | Ronan | Standard | 7,301 | $61,978 | 150.1 | 11.2% |
| 59865 | Saint Ignatius | Standard | 3,635 | $56,473 | 167.4 | 10.6% |
| 59821 | Arlee | Standard | 2,994 | $66,458 | 344.1 | 27.3% |
| 59824 | Charlo | Standard | 1,526 | $53,382 | 119.7 | -6.7% |
| 59910 | Big Arm | Standard | 692 | $99,886 | 29.6 | 37.0% |
| 59915 | Elmo | Standard | 452 | $58,750 | 31.2 | -20.3% |
| 59855 | Pablo | PO Box | 419 | $32,688 | 0.7 | -67.4% |
| 59914 | Dayton | Standard | 345 | $83,750 | 10.6 | 105.4% |
| 59931 | Rollins | Standard | 335 | $112,083 | 28.4 | 30.4% |
| 59929 | Proctor | Standard | 230 | $101,250 | 36.9 | -21.8% |
| 59863 | Ravalli | Standard | 146 | $78,922 | 13.5 | 89.6% |