ZIP code · Billings · Montana · United States

ZIP code 59102 — Billings

ZIP code 59102 serves Billings, Montana.

Postal code
59102
Single source Value from one source, not cross-checked.
City
Billings
County
Yellowstone FIPS 30111
State
Montana
Country
United States
Coordinates
45.7813, -108.5727 — precision precise (locality)
View on OpenStreetMap
Population
48,700 (ZCTA, ACS 5-year)
Population density
3,238 / sq mi
Land area
15 sq mi (39 km²) (ZCTA, ACS 5-year)
Median household income
$75,140
Per-capita income
$46,642
Median age
40.7
Households
21,404
Housing units
22,706
Median home value
$307,400
Median gross rent
$1,148 / month
Congressional district
MT-2 (119th Congress)
USDA hardiness zone
5a (-20 to -15 °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 89°F), coldest Jan (avg low 15°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F374151596979898776614737
Avg low °F151825344351575546352417
Precip in0.60.61.01.82.52.11.40.81.41.50.60.6

NOAA 1991–2020 climate normals from the nearest station: BILLINGS WFO (2.2 mi) · NOAA NCEI

Places in ZIP 59102

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