Blackfoot vs St. Mary

A side-by-side comparison of Blackfoot and St. Mary: population, income, housing, and more.

Blackfoot and St. Mary are places in Montana. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

St. Mary has the higher population (209 vs 95 in Blackfoot). Since 2019, Blackfoot's population has grown faster (+66.7% vs -63.9%).

Population, income & housing

	Blackfoot	St. Mary
Population	95	209
Median age	55.1 yrs	22.0 yrs
Housing units	56	80
Homeownership rate	100.0%	68.0%
Bachelor's degree or higher	0.0%	34.3%
Unemployment rate	0.0%	8.9%

Trends (ACS 5-year, 2019–2023)

	Blackfoot	St. Mary
Population	57 → 95 (+66.7%)	579 → 209 (-63.9%)
Median household income	$16,293 → $15,625 (-4.1%)	—

Blackfoot

Population

5795

Median household income

$16,293$15,625

St. Mary

Population

579209

Age & race/ethnicity

Age distribution (share)

	Blackfoot	St. Mary
Under 5	0.0%	0.0%
5 to 17	13.7%	7.2%
18 to 24	0.0%	60.8%
25 to 34	18.9%	13.9%
35 to 44	13.7%	11.0%
45 to 54	0.0%	7.2%
55 to 64	36.8%	0.0%
65 to 74	0.0%	0.0%
75 and over	16.8%	0.0%

Race & ethnicity (share)

	Blackfoot	St. Mary
White (non-Hispanic)	0.0%	71.8%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	100.0%	8.1%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	7.2%
Some other race	0.0%	0.0%
Two or more races	0.0%	0.0%
Hispanic or Latino	0.0%	12.9%

Educational attainment (age 25+)

Share of adults 25+

	Blackfoot	St. Mary
No high school diploma	29.3%	0.0%
High school graduate	32.9%	17.9%
Some college or associate's	37.8%	47.8%
Bachelor's degree	0.0%	22.4%
Graduate or professional degree	0.0%	11.9%

Commute to work

How workers get to work (share)

	Blackfoot	St. Mary
Drove alone	100.0%	51.3%
Carpooled	0.0%	6.5%
Public transit	0.0%	0.0%
Walked	0.0%	34.4%
Bicycle	0.0%	0.0%
Worked from home	0.0%	7.8%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Blackfoot	St. Mary
1-unit, detached	62.5%	42.5%
1-unit, attached	0.0%	0.0%
2 to 4 units	0.0%	13.8%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	13.8%
Mobile home & other	37.5%	30.0%

Poverty & households

	Blackfoot	St. Mary
Poverty rate	0.0%	52.6%
Average household size	1.98	1.60
Mean commute (minutes)	—	12
Median year structure built	1938	1976