ZIP code · Boulder · Montana · United States
ZIP code 59632 — Boulder
ZIP code 59632 serves Boulder, Montana.
- Postal code
- 59632Single source Value from one source, not cross-checked.
- City
- Boulder
- County
- Jefferson FIPS 30043
- State
- Montana
- Country
- United States
- Coordinates
- 46.2306, -112.1138 — precision precise (locality)
View on OpenStreetMap - Population
- 2,535 (ZCTA, ACS 5-year)
- Population density
- 6 / sq mi
- Land area
- 444.1 sq mi (1,150.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $62,770
- Per-capita income
- $36,777
- Median age
- 43.9
- Households
- 1,012
- Housing units
- 1,099
- Median home value
- $260,600
- Median gross rent
- $691 / month
- Congressional district
- MT-2 (119th Congress)
- USDA hardiness zone
- 5a (-20 to -15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Denver (UTC−7 / UTC−6 DST)
- Area code
- 406Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 59632 with another ZIP · ZIPs within 25 miles · distance from 59632
Map of ZIP code 59632
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Dec (avg low 12°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 38 | 47 | 55 | 64 | 72 | 83 | 82 | 72 | 57 | 42 | 34 |
| Avg low °F | 12 | 14 | 21 | 27 | 35 | 43 | 48 | 46 | 38 | 28 | 19 | 12 |
| Precip in | 0.3 | 0.2 | 0.4 | 0.8 | 1.9 | 2.3 | 1.4 | 1.1 | 1.1 | 0.6 | 0.5 | 0.3 |
NOAA 1991–2020 climate normals from the nearest station: BOULDER (0.1 mi) · NOAA NCEI
Places in ZIP 59632
- 8 schools
- 1 doctors & dentists
- 1 supermarkets
- 1 restaurants & cafés
- 2 bars & pubs
- 3 parks
- 2 playgrounds
- 1 libraries
- 2 post offices
- 6 places of worship
- 2 gas stations
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page