St. Mary

In Glacier County, Montana.

Population: 209

Located in Glacier County, Montana, St. Mary is a community with a population of 209.

From 2020 to 2023, St. Mary's population declined 63.9% from 579 to 209.

The median resident is 22.0 years old. The largest age group is 18 to 24, 60.8% of residents.

Demographics

ACS 2019–2023

Population: 209
Median age: 22.0 yrs
Median household income: —
Median home value: —
Median gross rent: —
Housing units: 80
Homeownership rate: 68.0%
Bachelor's degree or higher: 34.3%
Unemployment rate: 8.9%

Trends

ACS 5-year · 2019–2023

Population

579209

Year	Population
2020	579
2021	491
2022	242
2023	209

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 50.0%

5 to 177.2%

18 to 2460.8%

25 to 3413.9%

35 to 4411.0%

45 to 547.2%

55 to 640.0%

65 to 740.0%

75 and over0.0%

	Count	Share
Under 5	0	0.0%
5 to 17	15	7.2%
18 to 24	127	60.8%
25 to 34	29	13.9%
35 to 44	23	11.0%
45 to 54	15	7.2%
55 to 64	0	0.0%
65 to 74	0	0.0%
75 and over	0	0.0%

Race & ethnicity

	Count	Share
White (non-Hispanic)	150	71.8%
Black or African American	0	0.0%
American Indian & Alaska Native	17	8.1%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	15	7.2%
Some other race	0	0.0%
Two or more races	0	0.0%
Hispanic or Latino (any race)	27	12.9%

Educational attainment (age 25+)

No high school diploma0.0%

High school graduate17.9%

Some college or associate's47.8%

Bachelor's degree22.4%

Graduate or professional degree11.9%

	Count	Share
No high school diploma	0	0.0%
High school graduate	12	17.9%
Some college or associate's	32	47.8%
Bachelor's degree	15	22.4%
Graduate or professional degree	8	11.9%

Commute to work

Mean travel time to work: 12 min

Drove alone51.3%

Carpooled6.5%

Public transit0.0%

Walked34.4%

Bicycle0.0%

Worked from home7.8%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	79	51.3%
Carpooled	10	6.5%
Public transit	0	0.0%
Walked	53	34.4%
Bicycle	0	0.0%
Worked from home	12	7.8%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	93	65.5%
15 to 29 min	39	27.5%
30 to 44 min	10	7.0%
45 to 59 min	0	0.0%
60+ min	0	0.0%

Households

Average household size: 1.60
Poverty rate: 52.6% (102 of 194)

	Count	Share
Family households	8	32.0%
Nonfamily households	17	68.0%

Housing

Median year structure built: 1976

Occupancy

	Count	Share
Occupied	25	31.3%
Vacant	55	68.8%

Tenure (of occupied units)

	Count	Share
Owner-occupied	17	68.0%
Renter-occupied	8	32.0%

1-unit, detached42.5%

1-unit, attached0.0%

2 to 4 units13.8%

5 to 19 units0.0%

20 or more units13.8%

Mobile home & other30.0%

Units in structure

	Count	Share
1-unit, detached	34	42.5%
1-unit, attached	0	0.0%
2 to 4 units	11	13.8%
5 to 19 units	0	0.0%
20 or more units	11	13.8%
Mobile home & other	24	30.0%

Geography

Place GEOID: 3065425
Type (LSAD): 57
Land area: 0.75 sq mi
Water area: 0 sq mi
Center point: 48.7429, -113.4275