Population By Race and Ethnicity in Gallatin County, MT in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 111,878 population of Gallatin County, Montana comprised of 4,455 people who identified as Hispanic (3.98%), and 107,423 people who identified as Non-Hispanic (96.02%).

Race: The White Alone population was the largest racial group in Gallatin County, Montana with a population of 106,140 (94.87%); Two Or More Races population was the second largest racial group with a population of 2,246 (2.01%); and Asian Alone was the third largest racial group with a population of 1,758 (1.57%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Gallatin County, Montana in 2018, with a population of 102,215 (91.36%); the second largest ethnic group was White Alone - Hispanic with a population of 3,925 (3.51%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 2,044 (1.83%).

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 2018
Total Population:
Race in Gallatin County, MT in 2018
Total Population:
Ethnicity in Gallatin County, MT in 2018
Total Population:
Population By Race in Gallatin , MT in 2018
Race Population Percentage
Black or African American Alone 517 0.46%
White Alone 106,140 94.87%
American Indian and Alaska Native Alone 1,118 1%
Asian Alone 1,758 1.57%
Native Hawaiian And Pacific Islander Alone 99 0.09%
Two Or More Races 2,246 2.01%
Population By Ethnicity in Gallatin , MT in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 38 0.03%
White Alone - Hispanic 3,925 3.51%
American Indian and Alaska Native Alone - Hispanic 200 0.18%
Asian Alone - Hispanic 60 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 30 0.03%
Two Or More Races - Hispanic 202 0.18%
Black or African American Alone - Non Hispanic 479 0.43%
White Alone - Non Hispanic 102,215 91.36%
American Indian and Alaska Native Alone - Non Hispanic 918 0.82%
Asian Alone - Non Hispanic 1,698 1.52%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 69 0.06%
Two Or More Races - Non Hispanic 2,044 1.83%