Population By Race and Ethnicity in Custer County, MT in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 11,863 population of Custer County, Montana comprised of 422 people who identified as Hispanic (3.56%), and 11,441 people who identified as Non-Hispanic (96.44%).

Race: The White Alone population was the largest racial group in Custer County, Montana with a population of 11,120 (93.74%); American Indian and Alaska Native Alone population was the second largest racial group with a population of 292 (2.46%); and Two Or More Races was the third largest racial group with a population of 266 (2.24%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Custer County, Montana in 2020, with a population of 10,779 (90.86%); the second largest ethnic group was White Alone - Hispanic with a population of 341 (2.87%); and the third largest ethnic group was American Indian and Alaska Native Alone - Non Hispanic with a population of 250 (2.11%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Custer, Montana.

You can find similar information for other Montana counties, and for Montana.

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Hispanics and Non Hispanics in Custer County, MT in 2020
Total Population:
Race in Custer County, MT in 2020
Total Population:
Ethnicity in Custer County, MT in 2020
Total Population:
Population By Race in Custer , MT in 2020
Race Population Percentage
Black or African American Alone 82 0.69%
White Alone 11,120 93.74%
American Indian and Alaska Native Alone 292 2.46%
Asian Alone 95 0.8%
Native Hawaiian And Pacific Islander Alone 8 0.07%
Two Or More Races 266 2.24%
Population By Ethnicity in Custer , MT in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 0 0%
White Alone - Hispanic 341 2.87%
American Indian and Alaska Native Alone - Hispanic 42 0.35%
Asian Alone - Hispanic 0 0%
Native Hawaiian And Pacific Islander Alone - Hispanic 6 0.05%
Two Or More Races - Hispanic 33 0.28%
Black or African American Alone - Non Hispanic 82 0.69%
White Alone - Non Hispanic 10,779 90.86%
American Indian and Alaska Native Alone - Non Hispanic 250 2.11%
Asian Alone - Non Hispanic 95 0.8%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 2 0.02%
Two Or More Races - Non Hispanic 233 1.96%