Population By Race and Ethnicity in Gallatin County, MT in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the 123,098 population of Gallatin County, Montana comprised of 6,404 people who identified as Hispanic (5.2%), and 116,694 people who identified as Non-Hispanic (94.8%).

Race: The White Alone population was the largest racial group in Gallatin County, Montana with a population of 116,261 (94.45%); Two Or More Races population was the second largest racial group with a population of 2,667 (2.17%); and Asian Alone was the third largest racial group with a population of 2,113 (1.72%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Gallatin County, Montana in 2021, with a population of 110,669 (89.9%); the second largest ethnic group was White Alone - Hispanic with a population of 5,592 (4.54%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 2,349 (1.91%).

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

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

See this for other years:
Hispanics and Non Hispanics in Gallatin County, MT in 2021
Total Population:
Race in Gallatin County, MT in 2021
Total Population:
Ethnicity in Gallatin County, MT in 2021
Total Population:
Population By Race in Gallatin , MT in 2021
Race Population Percentage
Black or African American Alone 614 0.5%
White Alone 116,261 94.45%
American Indian and Alaska Native Alone 1,332 1.08%
Asian Alone 2,113 1.72%
Native Hawaiian And Pacific Islander Alone 111 0.09%
Two Or More Races 2,667 2.17%
Population By Ethnicity in Gallatin , MT in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 73 0.06%
White Alone - Hispanic 5,592 4.54%
American Indian and Alaska Native Alone - Hispanic 323 0.26%
Asian Alone - Hispanic 64 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 34 0.03%
Two Or More Races - Hispanic 318 0.26%
Black or African American Alone - Non Hispanic 541 0.44%
White Alone - Non Hispanic 110,669 89.9%
American Indian and Alaska Native Alone - Non Hispanic 1,009 0.82%
Asian Alone - Non Hispanic 2,049 1.67%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 77 0.06%
Two Or More Races - Non Hispanic 2,349 1.91%