ZIP code · Dixon · Montana · United States

ZIP code 59831 — Dixon

ZIP code 59831 serves Dixon, Montana.

Postal code
59831
Single source Value from one source, not cross-checked.
City
Dixon
County
Sanders FIPS 30089
State
Montana
Country
United States
Coordinates
47.3131, -114.3056 — precision precise (locality)
View on OpenStreetMap
Population
588 (ZCTA, ACS 5-year)
Population density
6 / sq mi
Land area
102.3 sq mi (264.9 km²) (ZCTA, ACS 5-year)
Median household income
$43,594
Per-capita income
$16,414
Median age
30.8
Households
179
Housing units
207
Median home value
$155,600
Median gross rent
$688 / month
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
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.

Climate — monthly normals

Warmest month Jul (avg high 86°F), coldest Feb (avg low 22°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F374051596975868675594537
Avg low °F232228344147525144352823
Precip in0.91.10.91.82.32.61.01.21.51.31.10.9

NOAA 1991–2020 climate normals from the nearest station: SAINT IGNATIUS (9.7 mi) · NOAA NCEI

Places in ZIP 59831

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