ZIP code · De Borgia · Montana · United States
ZIP code 59830 — De Borgia
ZIP code 59830 serves De Borgia, Montana.
- Postal code
- 59830Single source Value from one source, not cross-checked.
- City
- De Borgia
- County
- Mineral FIPS 30061
- State
- Montana
- Country
- United States
- Coordinates
- 47.3888, -115.3479 — precision precise (locality)
View on OpenStreetMap - Population
- 102 (ZCTA, ACS 5-year)
- Population density
- 1 / sq mi
- Land area
- 108.1 sq mi (280 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $27,727
- Median age
- 50.5
- Households
- 50
- Housing units
- 72
- Median home value
- $318,800
- Congressional district
- MT-1 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °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 59830 with another ZIP · ZIPs within 25 miles · distance from 59830
Map of ZIP code 59830
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 17°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 37 | 44 | 54 | 65 | 71 | 84 | 83 | 72 | 53 | 38 | 31 |
| Avg low °F | 17 | 18 | 23 | 27 | 34 | 40 | 43 | 41 | 35 | 30 | 24 | 18 |
| Precip in | 5.3 | 3.5 | 3.6 | 2.5 | 2.6 | 2.5 | 1.0 | 1.2 | 1.8 | 3.5 | 4.5 | 5.1 |
NOAA 1991–2020 climate normals from the nearest station: HAUGAN 1 W (3.5 mi) · NOAA NCEI
Places in ZIP 59830
- 1 restaurants & cafés
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