St. Marie demographics profile

StatisticSt. MarieMontanaNational
Population5981,023,391318,558,162
Population density (sq mi)26791
Median age35.639.837.7
Male/Female ratio0.6:11.0:11.0:1
Married (15yrs & older)78%58%55%
Speak English96%96%79%
Speak Spanish0%1%13%
St. Marie, MT has a population of 598 and is the 18,461st largest city in the United States. The population density is 26 per sq mi which is 283% higher than the Montana average and 71% lower than the national average. The median age in St. Marie is 36 which is approximately 11% lower than the Montana average of 40. In St. Marie, 78% of the population over 15 years of age are married, 96% speak English and 0% speak Spanish. 43% of St. Marie residents were born in Montana, 52% were born out of state, 0% were born outside of the United States and 5% were foreign born.

Did you know?

  • The population density in St. Marie is 283% higher than Montana.
  • The median age in St. Marie is 11% lower than Montana.
  • In St. Marie 76.76% of the population is Caucasian.
  • In St. Marie 0.00% of the population is African American.
  • In St. Marie 0.00% of the population is Asian.

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Compare St. Marie, MT Demographics To Other Cities

St. Marie population breakdown by race

RaceSt. MarieMontanaNational
Caucasian76.76%89.11%73.35%
African American0.00%0.42%12.63%
Asian0.00%0.73%5.22%
American Indian14.72%6.57%0.82%
Native Hawaiian3.34%0.08%0.18%
Mixed race5.18%2.59%3.06%
Other race0.00%0.50%4.75%
In St. Marie, 5.2% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

St. Marie age breakdown

Marital status

Age of children in married couples

Source: The St. Marie, MT demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).