St. Marie is a CDP located in Valley County Montana. St. Marie has a 2024 population of 455. St. Marie is currently growing at a rate of 2.94% annually and its population has increased by 40% since the most recent census, which recorded a population of 325 in 2020.
The average household income in St. Marie is $36,824 with a poverty rate of 27.9%. The median age in St. Marie is 39.3 years: 38.3 years for males, and 40 years for females.
According to the most recent ACS, the racial composition of St. Marie was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 178 | 55.8% |
| Two or more races | 128 | 40.13% |
| Native American | 13 | 4.08% |
| Black or African American | 0 | 0% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Other race | 0 | 0% |
White
Two or more races
Native American
Black or African American
Asian
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 120 | 2.66 | 91.7 | 8.3 |
| Non Family | 70 | 1.06 | 100 | 0 |
| Female | 29 | 5.79 | 100 | 0 |
| Married | 21 | 3.67 | 52.4 | 47.6 |
| Male | 0 | 0 | 0 | 0 |
4.9
Average Family Size
2.66
Average Household Size
91.7%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 69 | 24.3% |
| Associates Degree | 13 | 4.58% |
| Bachelors Degree | 62 | 21.83% |
| Graduate Degree | 0 | 0% |
| High School Graduate | 52 | 18.31% |
| Less Than 9th Grade | 30 | 10.56% |
| Some College | 58 | 20.42% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 143 | 74 | 7 |
| 2+ Races | 128 | 98 | 55 |
| Native American | 13 | 13 | 0 |
The highest rate of high school graduation is among native american people with a rate of 100%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 42.97%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $0 | $0 | $0 |
| Graduate Degree | $0 | $0 | $0 |
| High School Graduate | $0 | $0 | $0 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $22,042 | $0 | $21,583 |
| Some College | $0 | $0 | $0 |
$22,042
Average Earnings
$0
Average Male
$21,583
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
100% of St. Marie residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 178 | 89 | 50% |
27.9%
Overall Poverty Rate
49.46%
Male Poverty Rate
19.03%
Female Poverty Rate
The race most likely to be in poverty in St. Marie is White, with 50% below the poverty level.
The race least likely to be in poverty in St. Marie is White, with 50% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 36.21%, and for those that did not work, the poverty rate was 26.24%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 29.29% |
| Some College | 26.76% |
| High School | 19.23% |
| Bachelors or Greater | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 0% |
| Male Unemployed | 0% |
| Female Employed | 6.67% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $39,844 | $53,830 |
| Households | $38,125 | $36,824 |
| Married Families | - | $-999,999,999 |
| Non Families | - | $24,677 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
16.2%
Overall Marriage Rate
25.8%
Male Marriage Rate
12.0%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is Over 65.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
11
Number of Veterans
11
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 11 |
| Second Gulf War | 0 |
| First Gulf War | 0 |
| Korea | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 75+ | 11 |
| 18 to 34 | 0 |
| 35 to 54 | 0 |
| 55 to 64 | 0 |
| 65 to 74 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 11 | 6.55% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
100%
Veteran Disability Rate
LaborForceParticipation
27.8%
Labor Force Participation
23%
Employment Rate
17.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
19.44%
Born in St. Marie
100%
Native Born
0%
Foreign Born
0%
Non Citizen
0%
Naturalized
100% of St. Marie residents were born in the United States, with 19.44% having been born in Montana. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 455 | 13 | 2.94% |
| 2023 | 442 | 14 | 3.27% |
| 2022 | 428 | 55 | 14.75% |
| 2021 | 373 | 48 | 14.77% |
| 2020 | 325 | -145 | -30.85% |
| 2019 | 470 | -19 | -3.89% |
| 2018 | 489 | -49 | -9.11% |
| 2017 | 538 | -60 | -10.03% |
| 2016 | 598 | -21 | -3.39% |
| 2015 | 619 | 165 | 36.34% |
| 2014 | 454 | 65 | 16.71% |
| 2013 | 389 | 86 | 28.38% |
| 2012 | 303 | -11 | -3.5% |
| 2011 | 314 | 50 | 18.94% |
| 2010 | 264 | 0 | 0% |