Population
319 residents
Census ACS 2023 - Montana
City profile · Montana · Census ACS 2023
St. Marie, MT
Population, income, housing, safety, climate and schools for St. Marie - drawn straight from Census ACS, FBI UCR, NOAA, NCES, HUD and FEMA, refreshed on the 2024–2025 release cycle.
- 319
- Residents
- $38,125
- Median income
- $1,200
- Median rent (state)
St. Marie - the verdict
Nationally, St. Marie sits in the 6th percentile for household income among US cities with a population of 1,000 or more. Source: Census ACS.
- 6th
- percentile, household income
- 36th
- percentile, median rent
📝 How we sourced this
Population, income, and housing-cost figures come from the U.S. Census Bureau American Community Survey 5-year estimates (B-series tables). Crime data uses FBI UCR; climate uses NOAA Climate Normals; school counts come from NCES Common Core of Data; permits use the Census Building Permits Survey (BPS). See our methodology page for the full ETL pipeline and OMB / FIPS join keys.
Data Snapshot: St. Marie, MT
Census ACS 2023 estimates count 319 residents in St. Marie, a small town within Montana. The typical household in St. Marie brings in $38,125 a year, in the lower quartile of U.S. cities for household income, with a poverty rate of 20.0%. The median resident age is 39.3 years. About 21.8% of adults hold a bachelor's degree or higher, while 23.0% of working-age residents are in the labor force.
Living costs in Montana run below the national norm: BEA Regional Price Parities 2024 puts Montana at 94.6 on a 100-equals-national-average scale (Below Average). Statewide, HUD pegs Fair Market Rent for a two-bedroom unit at $1,200 monthly. Statewide, average monthly utility bills in Montana run around $175, per EIA 2023 residential energy data. On FEMA's National Risk Index, this area rates 35.9 out of 100 for natural-hazard exposure (Very Low).
Median Household Income
$38,125 /yr
Poverty 20.0%
Cost of Living Index (state)
94.6 (US=100)
Below Average - BEA RPP 2024, Montana average
How does St. Marie compare to other US cities?
Where St. Marie sits among all US cities (population 1,000+) on each measure, computed live from Census and FBI data.
Household income 6% higher than other cities
Median rent 36% pricier than other cities
"Safer than" reflects total crime rate from FBI UCR; the others use Census ACS estimates.
How we calculate these percentiles & ranks
Each percentile compares St. Marie against every qualifying US city; each in-state rank narrows that to Montana only. Full formula and direction notes: methodology.
Montana-relative analysis
Poverty Rate places St. Marie toward the top of Montana's cities
Among the 315 Montana cities PlainCities tracks with reported poverty rate data, St. Marie ranks #57 - the 81st percentile within the state. This is a different, narrower cut than the nationwide percentiles above: it compares St. Marie only against its own state's cities, not the full US field.
Median Household Income
#255 of 282
10th percentile in Montana
Median Gross Rent
#250 of 317
20th percentile in Montana
Poverty Rate
#57 of 315
81st percentile in Montana
Bachelor's Degree or Higher
#160 of 317
49th percentile in Montana
Ranked by raw value (highest first); a higher rank is not automatically "better" for every measure, see each metric's own context above. This is a comparison within Montana only, not a livability score. See the methodology for the source and calculation.
6th percentile nationally for median household income. Source: Census ACS 2023 / FBI UCR 2023.
Income distribution context
Key socioeconomic indicators
Bachelor's degree or higher (adults 25+) 21.8%
Census ACS S1501, educational attainment
Poverty rate (households below FPL) 20.0%
Census ACS S1701, poverty status
Labor force participation (adults 16+) 23.0%
Census ACS S2301, share of working-age residents in the labor force
Population
319
Median Income
$38,125
Median Home Value
N/A
Median Age
39.3
Poverty Rate
20.0%
Labor force participation
23.0%
Bachelor's Degree+
21.8%
Commute Patterns
How workers travel to work, Census ACS 2023
Drive Alone
92.9%
Carpool
7.1%
Public Transit
0.0%
Walk
0.0%
Work from Home
0.0%
Based on 56 workers 16 and over.
Monthly Utility Costs
State-average estimates for Montana - EIA 2023 residential energy data
Electricity
$80
avg/month
Natural Gas
$55
avg/month
Water & Sewer
$40
avg/month
Total Utilities
$175
estimated/month
Estimates reflect Montana state averages. Actual costs vary by home size, usage, and local rates. Source: U.S. Energy Information Administration (EIA) 2023.
Living Costs & Risk
Cost of living is a Montana state average from BEA; rent and hazard risk are county-level figures from HUD and FEMA for the county St. Marie sits in
Cost of Living Index
94.6
Below Average
US average = 100 · BEA RPP 2024
Typical 2-BR Rent
$1,200/mo
HUD Fair Market Rent
County-level FMR estimate
Natural Hazard Risk
35.9 / 100
Very Low
FEMA NRI composite score (county)
Similar Cities in Montana
Cities of a Similar Size Nationwide
Population-matched peers from other states, closest to St. Marie's 319 residents (Census ACS 5-Year 2023).
Cities with a Similar Household Income Nationwide
Median-household-income-matched peers from other states, closest to St. Marie's $38,125 (Census ACS 5-Year 2023, table B19013).
Race & Ethnicity Composition
City-level race and ethnicity, Census ACS 5-year 2023 (tables B02001, B03001), OMB Directive 15 categories.
How St. Marie compares to nearby Montana cities
Population + median household income, sourced from Census Bureau ACS 5-year B01001 (population) and B19013 (median household income).
Census ACS 5-year FIPS MT OMB Bulletin 23-01
What do people ask about St. Marie, MT?
What is the population of St. Marie, MT? +
St. Marie, MT counts 319 residents according to U.S. Census Bureau ACS 2023 estimates.
What is the median household income in St. Marie, MT? +
The median household income in St. Marie is $38,125 per year, based on Census ACS 2023 data.
What is the cost of living in St. Marie? +
BEA does not publish a city-level cost-of-living figure for St. Marie; the closest available measure is the Montana state average, a cost of living index of 94.6 (U.S. average = 100), rated "Below Average" based on BEA Regional Price Parities 2024 data. Costs within Montana vary by metro area.
Source: U.S. Census Bureau ACS 5-Year 2023, Census ACS B08301/B08136, U.S. Energy Information Administration (EIA) 2023, BEA Regional Price Parities 2024, HUD Fair Market Rents 2026, FEMA National Risk Index.
Read our methodology - how this data is sourced, computed, and verified.
Primary sources: Census ACS, FBI UCR, NOAA Climate Normals, NCES.
Citation & verification links
Data sourced from the U.S. Census Bureau. See our methodology for details. Retrieved and formatted by PlainCitiesEvery figure on PlainCities is rendered directly from Census ACS source data, no number is typed in by an editor. This page draws directly on Census ACS source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.