| ZIP Codes: | 8 ZIP Codes (3 Standard, 4 PO Box, 1 Unique) [See All] |
| Area Code: | 406 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 2:12:54 PM |
| Population: | 35,544 [See All] |
| FIPS: | 30093 |
| CBSA: | Butte-Silver Bow, MT |
| Land Area: | 857 sq mi |
| Water Area: | 2 sq mi |
| Coordinates: | 45.9283, -112.6249 |
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35,544 residents live across 8 ZIPs covering 857 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 34,308 to 35,544 from 2014 to 2024 — a +3.6% change. 5 ZIPs gained residents, 0 lost.
The county's wealthiest ZIP 59748 (Ramsay, $107,813 median) and poorest ZIP 59701 (Butte, $60,437) are 8.1 miles apart — a 1.8× income gap across local geography.
Median home values vary 2.2× across this county — from $248,200 in 59701 (Butte) to $550,000 in 59750 (Butte).
Density varies 49× across the county — from 1 people/sq mi in 59727 (Divide) to 71 in 59701 (Butte).
Educational attainment ranges from 27.6% bachelor's+ in 59701 (Butte) to 48.0% in 59727 (Divide) — the breadth of educational profiles across the area.
Within Montana, this is the #8 most populous of 56 counties and ranks #9 for median household income .
Hosts 1 single-entity Unique ZIP: 59707Northwestern Energy .
Weighted by population, the typical household earns about $61,437 across the county — reflecting what a typical resident sees, not a simple ZIP average.
27.9% of adults age 25+ hold a bachelor's degree or higher (6,859 of 24,567 reporting).
3 Standard delivery, 4 PO Box only, 1 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.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 59701 | Butte | Standard | 34,232 | $60,437 | 479.4 | 2.5% |
| 59750 | Butte | Standard | 500 | $95,192 | 69.7 | 59.7% |
| 59748 | Ramsay | PO Box | 354 | $107,813 | 22.1 | 65.4% |
| 59727 | Divide | Standard | 293 | $64,583 | 200.2 | 16.3% |
| 59743 | Melrose | PO Box | 165 | — | 85.4 | 34.1% |
| 59702 | Butte | PO Box | — | — | 0.0 | — |
| 59707 | Butte | Unique | — | — | 0.0 | — |
| 59703 | Butte | PO Box | — | — | 0.0 | — |