St. Mary Flag

St. Mary

County:
McLean County
County Seat:
No
Area (mi²):
33.235
State:
North Dakota

St. Mary is located in McLean County, North Dakota. St. Mary has a 2025 population of 205. St. Mary is currently growing at a rate of 0.49% annually and its population has increased by 3.02% since the most recent census, which recorded a population of 199 in 2020.

The average household income in St. Mary is $93,432 with a poverty rate of 23.76%.The median age in St. Mary is 50.5 years: 49.9 years for males, and 50.6 years for females.

205
Total Population
6
Density (mi²)
1 0.49%
Growth

St. Mary Population

St. Mary Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of St. Mary includes 79.56% White, 15.47% other race, and smaller percentages for and multiracial populations.

Population by Race

White (79.6%)

Other race (15.5%)

Two or more races (5.0%)

Race
Population
Percentage (of total)
White28879.56%
Other race5615.47%
Two or more races184.97%

St. Mary Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Mary's average per capita income is $71,212. Household income levels show a median of $0. The poverty rate stands at 23.76%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Families$145,288$142,350
Married Families$145,288-
Households-$93,432
Non Families-$50,950

$71,212

Average Income

$0

Median Household Income

23.76%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)