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zipcodes.pro — CITY/MT/COLSTRIP

Colstrip ZIP code, Montana

The ZIP code for Colstrip, MT is 59323, and its area code is 406.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
2,101
Area code
406
State
Montana

Mail addressed to Colstrip uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Colstrip in numbers

About 2,101 people live in Colstrip, in 802 households, the 50th-largest of Montana's 475 census places. The median household income is $82,500 a year, 14% above the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $194,900 (48% below the Montana median), and median gross rent is $659 a month. The median age is 44.2; 25.9% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 11 minutes.

Population2,101Colstrip2,101
Households802Colstrip802
Median age44.2Colstrip44.2Montana40.4US 38.9
Median household income$82,500Colstrip$82,500Montana$72,509US $80,734
Median home value$194,900Colstrip$194,900Montana$375,800US $332,700
Median gross rent$659Colstrip$659Montana$1,081US $1,413
Bachelor's degree or higher25.9%Colstrip25.9%Montana35.2%US 35.7%
Mean commute10.7 minColstrip10.7 minMontana19.1 minUS 26.4 min
Population density519 / sq miColstrip519 / sq mi

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

ZIP codes addressed as Colstrip

ZIP codes with the USPS city name Colstrip
ZIP City Type Population Median income Median home
59323 Colstrip , MT Standard 2,101 $82,500 $194,900

Other ZIP codes overlapping Colstrip

These ZIP codes cover part of Colstrip but are addressed as somewhere else.

ZIP codes overlapping Colstrip
ZIP City Type Population Median income Median home
59327 Forsyth , MT Standard 2,610 $52,639 $233,900

Map of Colstrip ZIP codes

59323

The ZIP codes of Colstrip, 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 Colstrip

The nearest larger towns are Crow Agency (2,192 people, 45 mi), Hardin (3,742 people, 48 mi) and Miles City (8,407 people, 52 mi).

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

Cite this page

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

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