St. Marie

Featured view

St. Marie

Total population

306

Median home value

$18,800

23.1%

Bachelor's+

Median income

$38,971

St. Marie$39k

National$74k

Elevation839 m

Land area59.31 km²

Weather66°F · Partly Sunny

Coordinates48.41°, -106.50°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

City facts

Facts from Wikidata (CC0).

Overview

St. Marie or Saint Marie is a census-designated place (CDP) in Valley County, Montana, United States. As of the 2020 census, St. Marie had a population of 489. It is located at the site of the former Glasgow Air Force Base.

History & geography

Excerpted from the corresponding Wikipedia article (CC BY-SA).

Demographics & economy

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Current forecast

Forecast for St. Marie, MT from NOAA NWS API.

Health (adults)

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Earthquake history

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Nearby places in Montana

• Prairie Elk Colony
  42 mi away
• Wolf Point
  45 mi away
• Sleeping Buffalo
  47.8 mi away
• East Malta Colony
  51.2 mi away
• Whitewater
  57.3 mi away
• Vida
  60.9 mi away
• Malta
  63 mi away · pop. 2,100
• Whitetail
  69.8 mi away
• Turner
  92.1 mi away
• Culbertson
  92.8 mi away
• Lodge Pole
  98.1 mi away
• Zortman
  98.6 mi away

Browse all places in Montana →

Geography & sun

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Public attention

Pageview totals from the Wikimedia Pageviews API.

Books about St. Marie

St. Mary Project, Montana; main canal

1906

St. Mary's in the Rocky Mountains

Lucylle H. Evans · 1975

Life and Death at St. Mary's Mission, Montana

Robert Bigart · 2005

Report of a stream survey of the St. Mary and Belly River drainages of Montana

Montana State Board of Health · 1965

Milk, Marias, and St. Mary monitoring

Catherine McIntyre · 2011

Development concept plans

1986

Summary of records of surface waters of Missouri and St. Mary River basins in Montana, 1881-1938

A. H. Tuttle · 1943

Development Concept Plans

National Park Service · 1986

Search results from Open Library.

Recent natural events nearby

• Wildfire Ayers Pond, Prairie, Montana
  Wildfires · 2026-09-03 · 144 mi
• Incident Complex Rattlesnake Complex, Prairie, Montana
  Wildfires · 2026-09-04 · 146 mi
• Wildfire Snow, Custer, Montana
  Wildfires · 2026-09-02 · 146 mi
• Wildfire Sarpy, Big Horn, Montana
  Wildfires · 2026-08-17 · 191 mi
• Wildfire Davis Coulee, Big Horn, Montana
  Wildfires · 2026-09-14 · 205 mi
• Wildfire Middle Coulee, Chouteau, Montana
  Wildfires · 2026-08-02 · 212 mi
• Wildfire Harris, Rosebud, Montana
  Wildfires · 2026-08-09 · 222 mi
• Wildfire Ant Park, Meagher, Montana
  Wildfires · 2026-07-31 · 225 mi

Wildfires, storms and other events from NASA EONET (last 12 months, within 250 mi).

Recently spotted species

Banded Garden Spider

Argiope trifasciata

Seen 2026-09-06

Missouri goldenrod

Solidago missouriensis

Seen 2026-09-06

stiff-leaved goldenrod

Solidago rigida

Seen 2026-09-06

dotted gayfeather

Liatris punctata

Seen 2026-09-06

Northern Leopard Frog

Lithobates pipiens

Seen 2026-09-06

Great Plains Crescent

Phyciodes orantain

Seen 2026-09-06

Rubber Rabbitbrush

Ericameria nauseosa

Seen 2026-09-03

Horned Lark

Eremophila alpestris

Seen 2026-09-03

Brown-belted Bumble Bee

Bombus griseocollis

Seen 2026-09-03

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Live readings from USGS NWIS · measured 2026-10-07 05:30 UTC.