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zipcodes.pro — CITY/MT/BASIN

Basin ZIP code, Montana

The ZIP code for Basin, MT is 59631, and its area code is 406.

USPS city name
1 ZIP code
Population
352
Area code
406
State
Montana

NANPA lists no telephone rate centre for Basin itself, so these are the area codes of the nearest one, Deer Lodge (17.9 miles). A town on an area-code boundary can differ from its neighbour.

Basin in numbers

About 352 people live in Basin, in 155 households. The median household income is $46,597 a year, 36% below the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $227,700 (39% below the Montana median). The median age is 48.8; 24.7% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 42 minutes.

Population352Basin352
Households155Basin155
Median age48.8Basin48.8Montana40.4US 38.9
Median household income$46,597Basin$46,597Montana$72,509US $80,734
Median home value$227,700Basin$227,700Montana$375,800US $332,700
Bachelor's degree or higher24.7%Basin24.7%Montana35.2%US 35.7%
Mean commute41.5 minBasin41.5 minMontana19.1 minUS 26.4 min
Population density28 / sq miBasin28 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Basin CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Basin

ZIP codes with the USPS city name Basin
ZIP City Type Population Median income Median home
59631 Basin , MT Standard 375 — $235,700

Map of Basin ZIP codes

59631

The ZIP codes of Basin, MT, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Basin

The nearest larger towns are Boulder (1,284 people, 8.6 mi), Jefferson City (533 people, 14 mi) and Clancy (1,874 people, 18 mi).

Towns near Basin
TownPopulationDistance
Deer Lodge 3,021 22.7 mi
Montana City 3,092 23.7 mi
Helena 33,639 25.1 mi
Helena Valley West Central 8,056 28.2 mi
Helena Valley Southeast 9,108 29.8 mi

More nearby: every ZIP code in Jefferson County · Montana ZIP codes

Cite this page

zipcodes.pro. “Basin, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/basin

Underlying data is public domain or openly licensed — sources, vintages and licences.