ZIP code · Darby · Montana · United States

ZIP code 59829 — Darby

ZIP code 59829 serves Darby, Montana.

Postal code
59829
Single source Value from one source, not cross-checked.
City
Darby
County
Ravalli FIPS 30081
State
Montana
Country
United States
Coordinates
46.0280, -114.1938 — precision precise (locality)
View on OpenStreetMap
Population
2,338 (ZCTA, ACS 5-year)
Population density
3 / sq mi
Land area
871.5 sq mi (2,257.2 km²) (ZCTA, ACS 5-year)
Median household income
$63,996
Per-capita income
$43,515
Median age
59
Households
1,031
Housing units
1,362
Median home value
$400,900
Median gross rent
$963 / month
Congressional district
MT-1 (119th Congress)
USDA hardiness zone
5b (-15 to -10 °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 82°F), coldest Jan (avg low 19°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F343847546472828171574232
Avg low °F192127313945504842332519
Precip in1.10.90.81.01.62.11.10.91.21.51.61.3

NOAA 1991–2020 climate normals from the nearest station: DARBY (0.9 mi) · NOAA NCEI

Places in ZIP 59829

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