St. Marie, MT
Population 319 · Montana
About St. Marie, MT
St. Marie is a small community located in Montana with a population of 319 residents according to the latest US Census Bureau American Community Survey data. The median household income is $38,125 per year, which is 49% below the national median of $75,149. The median age of 39.3 years is close to the US median age of 38.9 years.
Housing Market Overview
The housing market in St. Marie features a median home value of $0, which is 100% below the national median of $244,900. This makes St. Marie one of the more affordable markets in the country, potentially attractive for first-time homebuyers. Median monthly rent is $0, 100% below the national average of $1,163/month. Of the 774 total housing units, 92% are owner-occupied (110 units) and 8% are renter-occupied (10 units). The high homeownership rate suggests a stable, established residential community.
Economy & Employment
The local economy in St. Marie shows an unemployment rate of 17.4%, which is significantly above the national rate of 3.7%, suggesting economic challenges in the area. The poverty rate stands at 27.9%, above the national average of 12.4%. Workers in St. Marie have an average one-way commute time of 0 minutes, one of the shorter commutes in the region.
Education & Demographics
21.8% of St. Marie residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The lower educational attainment rate may reflect the area's industry mix, with more employment in trades, manufacturing, or agricultural sectors. The community's demographic composition includes 0.0% White, 44.2% Hispanic or Latino, 0.0% Black or African American, and 0.0% Asian residents, with 0.0% of the population being foreign-born.
Cost of Living in St. Marie, MT
Compared to national averages, St. Marie has a median household income of $38,125 (49% below the national median of $75,149). Home values average $0, which is 100% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within Montana, St. Marie's income is 42% below the state average of $65,821, and home values are 100% below the state median of $288,703.
Why Live in St. Marie, MT?
St. Marie offers affordable housing with a median home value of $0, below the US average of $244,900, and rent that’s lower than the national average at $0/month, and short commute times averaging just 0 minutes.
Potential considerations include median household income ($38,125) that falls below the national average. However, St. Marie’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
St. Marie has a population of 319 with a median age of 39.3 years. Compare St. Marie with other cities to see how it stacks up, or explore all cities in Montana.
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Demographics
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Economy & Education
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Other Cities in Montana
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about St. Marie
What is the population of St. Marie, MT?
The population of St. Marie, MT is 319 according to the latest US Census Bureau American Community Survey estimates. This makes it a small community in Montana.
What is the median household income in St. Marie?
The median household income in St. Marie, MT is $38,125 per year, which is 49% below the national median of $75,149.
What is the median home value in St. Marie?
The median home value in St. Marie, MT is $0, which is 100% below the national median of $244,900. The majority of housing units are owner-occupied.
What is the average rent in St. Marie?
The median monthly rent in St. Marie, MT is $0, which is 100% below the national average of $1,163/month.
What is the unemployment rate in St. Marie?
The unemployment rate in St. Marie, MT is 17.4%, compared to the national average of 3.7%. Job seekers may want to research the dominant industries in the area.
Is St. Marie, MT a good place to live?
St. Marie offers a moderate cost of living, affordable housing, and growing employment opportunities. With a population of 319 and a median age of 39.3, the city appeals to a broad range of residents.
How educated is St. Marie, MT?
21.8% of residents in St. Marie aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The educational profile reflects the area's industry mix and employment landscape.
What is the cost of living in St. Marie?
Key cost-of-living indicators for St. Marie, MT: median home value is $0 (100% below national), median rent is $0/month, and median household income is $38,125. The home-value-to-income ratio is 0.0x, indicating relatively affordable housing relative to local incomes.
What is the poverty rate in St. Marie?
The poverty rate in St. Marie, MT is 27.9%, compared to the national average of 12.4%. Residents and prospective movers should be aware of the economic challenges facing parts of this community.
How diverse is St. Marie, MT?
St. Marie's population is 0.0% White, 44.2% Hispanic or Latino, 0.0% Black or African American, 0.0% Asian, and 0.0% two or more races. 0.0% of residents are foreign-born.