ZIP code · Denton · Montana · United States

ZIP code 59430 — Denton

ZIP code 59430 serves Denton, Montana.

Postal code
59430
Single source Value from one source, not cross-checked.
City
Denton
County
Fergus FIPS 30027
State
Montana
Country
United States
Coordinates
47.3191, -109.8789 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
476 (ZCTA, ACS 5-year)
Population density
1 / sq mi
Land area
515.5 sq mi (1,335.1 km²) (ZCTA, ACS 5-year)
Median household income
$74,444
Per-capita income
$54,481
Median age
57
Households
208
Housing units
264
Median home value
$210,900
Median gross rent
$1,019 / month
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
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 83°F), coldest Jan (avg low 9°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F363746556573838372584536
Avg low °F91119283744494839281810
Precip in0.40.50.71.72.82.91.71.51.31.20.60.5

NOAA 1991–2020 climate normals from the nearest station: DENTON (2.7 mi) · NOAA NCEI

Places in ZIP 59430

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