ZIP code · Judith Gap · Montana · United States

ZIP code 59453 — Judith Gap

ZIP code 59453 serves Judith Gap, Montana.

Postal code
59453
Single source Value from one source, not cross-checked.
City
Judith Gap
County
Wheatland FIPS 30107
State
Montana
Country
United States
Coordinates
46.6623, -109.6755 — precision precise (locality)
View on OpenStreetMap
Population
302 (ZCTA, ACS 5-year)
Population density
1 / sq mi
Land area
346 sq mi (896 km²) (ZCTA, ACS 5-year)
Median household income
$45,938
Per-capita income
$35,211
Median age
41.5
Households
145
Housing units
181
Median home value
$168,800
Median gross rent
$525 / 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 Aug (avg high 80°F), coldest Jan (avg low 12°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F343442516068798069544233
Avg low °F121320273644504940302112
Precip in0.40.50.61.83.33.01.71.51.40.90.50.4

NOAA 1991–2020 climate normals from the nearest station: JUDITH GAP (3.7 mi) · NOAA NCEI

Places in ZIP 59453

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