Population By Race and Ethnicity in Jefferson County, MT in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 11,406 population of Jefferson County, Montana comprised of 228 people who identified as Hispanic (2%), and 11,178 people who identified as Non-Hispanic (98%).

Race: The White Alone population was the largest racial group in Jefferson County, Montana with a population of 10,931 (95.84%); Two Or More Races population was the second largest racial group with a population of 240 (2.1%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 176 (1.54%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Montana in 2010, with a population of 10,719 (93.98%); the second largest ethnic group was Two Or More Races - Non Hispanic with a population of 231 (2.03%); and the third largest ethnic group was White Alone - Hispanic with a population of 212 (1.86%).

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

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

See this for other years:
Hispanics and Non Hispanics in Jefferson County, MT in 2010
Total Population:
Race in Jefferson County, MT in 2010
Total Population:
Ethnicity in Jefferson County, MT in 2010
Total Population:
Population By Race in Jefferson , MT in 2010
Race Population Percentage
Black or African American Alone 18 0.16%
White Alone 10,931 95.84%
American Indian and Alaska Native Alone 176 1.54%
Asian Alone 39 0.34%
Native Hawaiian And Pacific Islander Alone 2 0.02%
Two Or More Races 240 2.1%
Population By Ethnicity in Jefferson , MT in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 0 0%
White Alone - Hispanic 212 1.86%
American Indian and Alaska Native Alone - Hispanic 6 0.05%
Asian Alone - Hispanic 1 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 9 0.08%
Black or African American Alone - Non Hispanic 18 0.16%
White Alone - Non Hispanic 10,719 93.98%
American Indian and Alaska Native Alone - Non Hispanic 170 1.49%
Asian Alone - Non Hispanic 38 0.33%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 2 0.02%
Two Or More Races - Non Hispanic 231 2.03%