ZIP code · Capitol · Montana · United States
ZIP code 59319 — Capitol
ZIP code 59319 serves Capitol, Montana.
- Postal code
- 59319Single source Value from one source, not cross-checked.
- City
- Capitol
- County
- Carter FIPS 30011
- State
- Montana
- Country
- United States
- Coordinates
- 45.4361, -104.0655 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 38 (ZCTA, ACS 5-year)
- Population density
- 0 / sq mi
- Land area
- 246.5 sq mi (638.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $49,583
- Per-capita income
- $56,479
- Median age
- 67.4
- Households
- 20
- Housing units
- 31
- Congressional district
- MT-2 (119th Congress)
- USDA hardiness zone
- 4b (-25 to -20 °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
- 406 (from the nearest rate centre)Telephone 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 59319 with another ZIP · ZIPs within 25 miles · distance from 59319
Map of ZIP code 59319
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 11°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 37 | 48 | 58 | 69 | 79 | 88 | 88 | 78 | 61 | 46 | 36 |
| Avg low °F | 11 | 13 | 22 | 31 | 42 | 51 | 57 | 55 | 45 | 33 | 22 | 13 |
| Precip in | 0.3 | 0.5 | 0.7 | 1.6 | 2.9 | 2.9 | 2.1 | 1.6 | 1.2 | 1.3 | 0.5 | 0.3 |
NOAA 1991–2020 climate normals from the nearest station: CAMP CROOK (8.9 mi) · NOAA NCEI
Places in ZIP 59319
- 1 places of worship
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