Population By Race and Ethnicity in Yellowstone County, MT in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 149,805 population of Yellowstone County, Montana comprised of 7,310 people who identified as Hispanic (4.88%), and 142,495 people who identified as Non-Hispanic (95.12%).

Race: The White Alone population was the largest racial group in Yellowstone County, Montana with a population of 137,636 (91.88%); American Indian and Alaska Native Alone population was the second largest racial group with a population of 6,342 (4.23%); and Two Or More Races was the third largest racial group with a population of 3,730 (2.49%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Yellowstone County, Montana in 2011, with a population of 131,889 (88.04%); the second largest ethnic group was White Alone - Hispanic with a population of 5,747 (3.84%); and the third largest ethnic group was American Indian and Alaska Native Alone - Non Hispanic with a population of 5,417 (3.62%).

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

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

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Hispanics and Non Hispanics in Yellowstone County, MT in 2011
Total Population:
Race in Yellowstone County, MT in 2011
Total Population:
Ethnicity in Yellowstone County, MT in 2011
Total Population:
Population By Race in Yellowstone , MT in 2011
Race Population Percentage
Black or African American Alone 983 0.66%
White Alone 137,636 91.88%
American Indian and Alaska Native Alone 6,342 4.23%
Asian Alone 1,006 0.67%
Native Hawaiian And Pacific Islander Alone 108 0.07%
Two Or More Races 3,730 2.49%
Population By Ethnicity in Yellowstone , MT in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 116 0.08%
White Alone - Hispanic 5,747 3.84%
American Indian and Alaska Native Alone - Hispanic 925 0.62%
Asian Alone - Hispanic 75 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 20 0.01%
Two Or More Races - Hispanic 427 0.28%
Black or African American Alone - Non Hispanic 867 0.58%
White Alone - Non Hispanic 131,889 88.04%
American Indian and Alaska Native Alone - Non Hispanic 5,417 3.62%
Asian Alone - Non Hispanic 931 0.62%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 88 0.06%
Two Or More Races - Non Hispanic 3,303 2.21%