ZIP code · Whitlash · Montana · United States

ZIP code 59545 — Whitlash

ZIP code 59545 serves Whitlash, Montana.

Postal code
59545
Single source Value from one source, not cross-checked.
City
Whitlash
County
Liberty FIPS 30051
State
Montana
Country
United States
Coordinates
48.9110, -111.1075 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
50 (ZCTA, ACS 5-year)
Population density
1 / sq mi
Land area
99.9 sq mi (258.7 km²) (ZCTA, ACS 5-year)
Median household income
$41,042
Per-capita income
$26,238
Median age
79.2
Households
29
Housing units
41
Median home value
$117,400
Congressional district
MT-2 (119th Congress)
USDA hardiness zone
4a (-30 to -25 °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.

Climate — monthly normals

Warmest month Jul (avg high 80°F), coldest Jan (avg low 10°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F333544556471808070554234
Avg low °F101119273643474639291911
Precip in0.50.50.61.31.93.51.31.51.41.20.60.5

NOAA 1991–2020 climate normals from the nearest station: GOLDBUTTE 7 N (14.0 mi) · NOAA NCEI

Places in ZIP 59545

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