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CITY

St. Mary

Montana · 193 residents · 0.753 sq mi
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The short version

Population has declined 8% since 2023. At a median age of 25.8, residents skew younger than the country as a whole. The poverty rate of 61.8% is well above the national figure.

At a glance
Younger
median age 25.8
US median: 38.9
Average education
38% hold a bachelor's degree
US average: 36%
Owner-heavy
73% owner-occupied
US average: 65%
Section 01

Population & growth

Total population
193
−8%since 2023
from 209 in 2023
2020 – 2024
Population density
256 / sq mi
−8%since 2023
from 278 / sq mi in 2023
US average: 281
Median age
25.8
+17%since 2023
from 22.0 in 2023
US average: 38.9
Population, 2020 – 2024
1014127340453520202024St. Mary
2024193
20202024
Section 02

Income & economy

Per capita income
$35,108
+11%since 2023
from $31,700 in 2023
US average: $44,673
Households earning $100K+
26.9%
+26.9 ptssince 2023
from 0.0% in 2023
US average: 53.3%
Poverty rate
61.8%
+9.3 ptssince 2023
from 52.6% in 2023
US average: 12.5%
Income inequality (Gini)
0.595
+29%since 2023
from 0.463 in 2023
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing24.4%
US avg: 1.6%
Construction24.4%
US avg: 1.2%
Other services22%
US avg: 6.7%
Public administration22%
US avg: 4.8%
Information19.5%
US avg: 10.8%
Manufacturing0%
US avg: 0.4%
Wholesale trade0%
US avg: 6.9%
Retail trade0%
US avg: 9.9%
Transportation & warehousing0%
US avg: 2.2%
Finance & insurance0%
US avg: 5.9%
Professional, scientific, technical0%
US avg: 5.1%
Education & health services0%
US avg: 0.9%
Arts, entertainment, food0%
US avg: 1.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Owner-occupied
73.1%
+5.1 ptssince 2023
from 68.0% in 2023
26.9% rent
Vacancy rate
46.4%
−22.4 ptssince 2023
from 68.8% in 2023
US average: 10.0%
Owner cost-burdened
63.2%
−36.8 ptssince 2023
from 100.0% in 2023
US average: 22.9%
Renter cost-burdened
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 47.4%
RELATED:See current rent listings in St. Mary on RentDataNow
Section 04

Race & ethnicity

2023
White, non-Hispanic71.8%(150)
Black0%(0)
Hispanic / Latino12.9%(27)
Asian0%(0)
Other15.3%(32)
Diversity Score55.6%(116)
2024
White, non-Hispanic53.4%(103)
Black0%(0)
Hispanic / Latino23.8%(46)
Asian0%(0)
Other22.8%(44)
Diversity Score75.8%(146)
Diversity Score
76
+36%since 2023
from 56 in 2023
2020 – 2024
Section 05

Education

Bachelor's degree or higher
38.2%
+3.9 ptssince 2023
from 34.3% in 2023
US average: 35.6%
High school or higher
100.0%
Unchangedsince 2023
from 100.0% in 2023
US average: 89.6%
Graduate degree
20.0%
+8.1 ptssince 2023
from 11.9% in 2023
US average: 14.0%
Section 06

Commute & transportation

Drive alone to work
38.2%
−13.1 ptssince 2023
from 51.3% in 2023
US average: 68.9%
Carpooled to work
6.5%
Unchangedsince 2023
from 6.5% in 2023
US average: 8.5%
Public transit
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 3.2%
Worked from home
13.8%
+6.0 ptssince 2023
from 7.8% in 2023
US average: 15.0%
Walked to work
41.5%
+7.0 ptssince 2023
from 34.4% in 2023
US average: 2.4%
Biked to work
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 0.4%
No vehicle available
46.2%
−21.8 ptssince 2023
from 68.0% in 2023
US average: 8.3%
Section 07

Work & employment

Unemployment rate
14.0%
+5.1 ptssince 2023
from 8.9% in 2023
US average: 5.2%
Labor force participation
82.7%
−4.5 ptssince 2023
from 87.1% in 2023
US average: 63.5%
Self-employed
0.0%
Unchangedsince 2023
from 0.0% in 2023
US average: 13.1%
Management & professional
22.8%
+17.6 ptssince 2023
from 5.2% in 2023
US average: 42.5%
Section 08

People & community

Male
56.0%
−2.9 ptssince 2023
from 58.9% in 2023
Female
44.0%
+2.9 ptssince 2023
from 41.1% in 2023
Foreign born
25.4%
+11.0 ptssince 2023
from 14.4% in 2023
US average: 14.1%
Veterans
9.8%
+3.6 ptssince 2023
from 6.2% in 2023
US average: 6.2%
With a disability
0.0%
−22.5 ptssince 2023
from 22.5% in 2023
US average: 13.3%
Uninsured
16.6%
+3.7 ptssince 2023
from 12.9% in 2023
US average: 8.4%
Broadband at home
26.9%
−5.1 ptssince 2023
from 32.0% in 2023
US average: 91.0%
English only at home
65.8%
+8.4 ptssince 2023
from 57.4% in 2023
US average: 77.7%
Spanish at home
23.8%
+10.9 ptssince 2023
from 12.9% in 2023
US average: 13.6%
Drill deeper

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Frequently asked

How many people live in St. Mary, Montana?

St. Mary, Montana has about 193 residents according to the 2024 American Community Survey.

How educated are people in St. Mary, Montana?

About 38.2% of adults age 25 and over in St. Mary, Montana hold a bachelor's degree or higher.

What is the poverty rate in St. Mary, Montana?

About 61.8% of people in St. Mary, Montana live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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