St. Marie

Population: 319
Median household income: $38,125

St. Marie, a community in Valley County, Montana, has 319 residents. At $38,125, its median household income sits below Valley County's $64,515.

Between 2019 and 2023, St. Marie's population declined 32.1% from 470 to 319.

92.9% of workers drive to work alone. 4.4% of homes are single-family detached houses.

Demographics

ACS 2019–2023

Population: 319
Median age: 39.3 yrs
Median household income: $38,125
Median home value: —
Median gross rent: —
Housing units: 774
Homeownership rate: 91.7%
Bachelor's degree or higher: 21.8%
Unemployment rate: 17.4%

Trends

ACS 5-year · 2019–2023

Population

470319

Median household income

$33,750$38,125

Median home value

$19,800$20,800

Median gross rent

$970$1,079

Year	Population	Median household income	Median home value	Median gross rent
2019	470	$33,750	$19,800	$970
2020	325	$37,386	$19,800	$1,079
2021	373	$37,344	$19,300	—
2022	428	$36,509	$20,800	—
2023	319	$38,125	—	—

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

Age distribution

Under 50.0%

5 to 173.1%

18 to 247.8%

25 to 3418.8%

35 to 4432.0%

45 to 540.0%

55 to 643.4%

65 to 746.3%

75 and over28.5%

	Count	Share
Under 5	0	0.0%
5 to 17	10	3.1%
18 to 24	25	7.8%
25 to 34	60	18.8%
35 to 44	102	32.0%
45 to 54	0	0.0%
55 to 64	11	3.4%
65 to 74	20	6.3%
75 and over	91	28.5%

Race & ethnicity

	Count	Share
White (non-Hispanic)	178	55.8%
Black or African American	0	0.0%
American Indian & Alaska Native	13	4.1%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	128	40.1%
Hispanic or Latino (any race)	0	0.0%

Educational attainment (age 25+)

No high school diploma34.9%

High school graduate18.3%

Some college or associate's25.0%

Bachelor's degree21.8%

Graduate or professional degree0.0%

	Count	Share
No high school diploma	99	34.9%
High school graduate	52	18.3%
Some college or associate's	71	25.0%
Bachelor's degree	62	21.8%
Graduate or professional degree	0	0.0%

Commute to work

Drove alone92.9%

Carpooled7.1%

Public transit0.0%

Walked0.0%

Bicycle0.0%

Worked from home0.0%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	52	92.9%
Carpooled	4	7.1%
Public transit	0	0.0%
Walked	0	0.0%
Bicycle	0	0.0%
Worked from home	0	0.0%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	41	73.2%
15 to 29 min	11	19.6%
30 to 44 min	0	0.0%
45 to 59 min	0	0.0%
60+ min	4	7.1%

Households

Average household size: 2.66
Poverty rate: 27.9% (89 of 319)

	Count	Share
Family households	50	41.7%
Nonfamily households	70	58.3%

Housing

Median year structure built: 1963

Occupancy

	Count	Share
Occupied	120	15.5%
Vacant	654	84.5%

Tenure (of occupied units)

	Count	Share
Owner-occupied	110	91.7%
Renter-occupied	10	8.3%

1-unit, detached4.4%

1-unit, attached6.1%

2 to 4 units89.5%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	34	4.4%
1-unit, attached	47	6.1%
2 to 4 units	693	89.5%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	0	0.0%

Geography

Place GEOID: 3065400
Type (LSAD): 57
Land area: 23 sq mi
Water area: 0 sq mi
Center point: 48.4053, -106.4985