Yellowstone County, Montana Census 2020 Population By Race and Ethnicity

Updated on April 9, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 164.73K population of Yellowstone County, MT residents comprised of 10.12K residents who identified as Hispanic or Latino (6.14%), and 154.62K residents who identified as Non-Hispanic (93.86%).

Race: The White Alone population was the largest racial group in Yellowstone County, MT, with a population of 139.97K (84.97%). The Two Or More Races population was the second largest racial group in Yellowstone County, MT, with a population of 11.84K (7.19%). The American Indian and Alaska Native Alone population was the third largest racial group in Yellowstone County, MT, with a population of 7.23K (4.39%). The smallest racial group in Yellowstone County, MT was Native Hawaiian And Pacific Islander Alone with a population of 232 (0.14%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Yellowstone County, MT, with a population of 136.51K (82.87%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Yellowstone County, MT, with a population of 8.30K (5.04%). The Non-Hispanic - American Indian & Alaska Native population was the third largest ethnic group in Yellowstone County, MT, with a population of 6.55K (3.97%). The smallest ethnic group in Yellowstone County, MT was Hispanic - Native Hawaiian & Pac. Islander with a population of 21 (0.01%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Yellowstone County, Montana from the 2020 decennial census.

You can see similar information for other Montana counties and also for the state of Montana.

Yellowstone County, MT Hispanics and Non Hispanics Population in Census 2020
Total Population:
Yellowstone County, MT Racial Groups in Census 2020
Total Population:
Yellowstone County, MT Ethnicity Groups in Census 2020
Total Population:
Yellowstone County, MT Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 1309 0.80
White Alone 139965 84.97
American Indian and Alaska Native Alone 7226 4.39
Asian Alone 1320 0.80
Native Hawaiian And Pacific Islander Alone 232 0.14
Some Other Race Alone 2841 1.73
Two Or More Races 11838 7.19
Yellowstone County, MT Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 136514 82.87
Non-Hispanic - Two or More Races 8303 5.04
Non-Hispanic - American Indian & Alaska Native 6546 3.97
Hispanic - Two or More Races 3535 2.15
Hispanic - White Alone 3451 2.10
Hispanic - Some Other Race Alone 2265 1.38
Non-Hispanic - Asian Alone 1279 0.78
Non-Hispanic - Black Alone 1187 0.72
Hispanic - American Indian & Alaska Native 680 0.41
Non-Hispanic - Some Other Race Alone 576 0.35
Non-Hispanic - Native Hawaiian & Pac. Islander 211 0.13
Hispanic - Black Alone 122 0.07
Hispanic - Asian Alone 41 0.03
Hispanic - Native Hawaiian & Pac. Islander 21 0.01