St. Marie is a community in Valley County, Montana, home to about 306 people across 23 square miles. Its ZIP code is 59231, and parts of 59230 are in St. Marie too.
All in St. Marie
Mostly Glasgow; part is in St. Marie
We’re writing up St. Marie’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Spokane International Airport (GEG)507 miles away |
|---|---|
| Closer regional airport | Glasgow Valley County Airport Wokal Field (GGW)1 miles away |
| Nearest city of 250,000+ | Denver, CO589 miles away |
Straight-line distances from the center of St. Marie; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
St. Marie had 489 residents in the 2020 census, up 167% since 2000.
It’s the 202nd largest of 475 towns in Montana by population.
Valley County grew from 4,355 residents in 1900 to 7,578 in 2020.
Valley County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 6°F. About 13.5 inches of rain and melted snow fall in a typical year, with about 41 inches of snow.
Source: NOAA 1991–2020 climate normals, Glasgow Intl Ap, MT weather station (about a mile away).
2,183 jobs at 276 businesses in Valley County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Parks (9 nearby)
Grocery stores (2 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Counts are within about 3.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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Shares ZIP codes with Glasgow.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.