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zipcodes.pro — CITY/MT/ST-PIERRE

St. Pierre ZIP codes, Montana

No ZIP code is named for St. Pierre, MT; addresses there use a neighbouring town's name. The ZIP code covering it is 59521. Its area code is 406.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
394
Area code
406
State
Montana

NANPA lists no telephone rate centre for St. Pierre itself, so these are the area codes of the nearest one, Box Elder (0.0 miles). A town on an area-code boundary can differ from its neighbour.

St. Pierre in numbers

About 394 people live in St. Pierre, in 95 households. The median age is 16.4; 9.4% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana).

Population394St. Pierre394
Households95St. Pierre95
Median age16.4St. Pierre16.4Montana40.4US 38.9
Bachelor's degree or higher9.4%St. Pierre9.4%Montana35.2%US 35.7%
Population density49 / sq miSt. Pierre49 / sq mi

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

ZIP codes covering St. Pierre

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

ZIP codes overlapping St. Pierre
ZIP City Type Population Median income Median home
59521 Box Elder , MT Standard 3,529 $50,288 $103,700

Map of St. Pierre ZIP codes

59521

The ZIP codes of St. Pierre, 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 St. Pierre

The nearest larger towns are Azure (406 people, 4.2 mi), Rocky Boy West (1,007 people, 8.9 mi) and Big Sandy (784 people, 14 mi).

Towns near St. Pierre
TownPopulationDistance
Havre 9,258 21.5 mi

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

Cite this page

zipcodes.pro. “St. Pierre, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/st-pierre

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