Thief River Falls city, MN Population Aged 25 Years and Above By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on August 27, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Thief River Falls city, MN population aged 25 years and above was 6,122.

Race: The White Alone racial group had the highest population aged 25 years and above (5.82K) and constituted 95.12% of the Thief River Falls city, MN population aged 25yrs+. The Two Or More Races racial group had the second highest population (119) and constituted 1.94% of the population. The third highest racial group was Black or African American Alone (89), constituting 1.45% of the population.

Ethnicity: The population of the Non-Hispanic White Alone ethnicity group was 5.74K and constituted 93.83% of the Thief River Falls city, MN population aged 25yrs+. The population of the Hispanic or Latino of All Races ethnicity group was 132 and constituted 2.16% of the population.

The charts and tables below shows the population and percentages by race and ethnicity.

You can see similar information for other cities and places and for Minnesota.

Thief River Falls city, MN Population Aged 25 Years and Above By Race in 2021
White Alone
Two or More Races
Black Alone
American Indian & Alaska Native Alone
Some Other Race Alone
Asian Alone
Thief River Falls city, MN Population Aged 25 Years and Above By Ethnicity in 2021
Non-Hispanic White Alone
Hispanic or Latino of All Races
All Others
Thief River Falls city, MN Population Aged 25 Years and Above By Race in 2021
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Race Population % of Total Pop.
White Alone 5823 95.12
Two Or More Races 119 1.94
Black or African American Alone 89 1.45
American Indian and Alaska Native Alone 55 0.90
Some Other Race Alone 29 0.47
Asian Alone 7 0.11
Thief River Falls city, MN Population Aged 25 Years and Above By Ethnicity in 2021
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Ethnicity Population % of Total Pop.
Non-Hispanic White Alone 5744 93.83
Hispanic or Latino of All Races 132 2.16
All Other Ethnicities 246 4.02