ZIP code · Big Timber · Montana · United States
ZIP code 59011 — Big Timber
ZIP code 59011 serves Big Timber, Montana.
- Postal code
- 59011Single source Value from one source, not cross-checked.
- City
- Big Timber
- County
- Sweet Grass FIPS 30097
- State
- Montana
- Country
- United States
- Coordinates
- 45.8283, -109.9631 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 3,131 (ZCTA, ACS 5-year)
- Population density
- 3 / sq mi
- Land area
- 936.4 sq mi (2,425.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $67,326
- Per-capita income
- $39,254
- Median age
- 43.5
- Households
- 1,261
- Housing units
- 1,537
- Median home value
- $286,200
- Median gross rent
- $1,061 / 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 59011 with another ZIP · ZIPs within 25 miles · distance from 59011
Map of ZIP code 59011
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 20°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 38 | 40 | 49 | 57 | 67 | 76 | 86 | 85 | 74 | 59 | 46 | 37 |
| Avg low °F | 20 | 20 | 26 | 32 | 40 | 48 | 54 | 51 | 43 | 34 | 26 | 20 |
| Precip in | 0.7 | 0.7 | 1.0 | 2.2 | 3.1 | 2.6 | 1.4 | 1.0 | 1.3 | 1.5 | 0.8 | 0.7 |
NOAA 1991–2020 climate normals from the nearest station: BIG TIMBER (0.6 mi) · NOAA NCEI
Places in ZIP 59011
- 4 schools
- 1 hospitals & clinics
- 1 doctors & dentists
- 1 supermarkets
- 3 restaurants & cafés
- 2 bars & pubs
- 4 parks
- 1 playgrounds
- 1 libraries
- 1 post offices
- 12 places of worship
- 1 banks
- 3 gas stations
- 1 EV charging stations
- 3 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