Population By Race and Ethnicity in Jefferson County, MT in 2017

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2017, the 11,918 population of Jefferson County, Montana comprised of 285 people who identified as Hispanic (2.39%), and 11,633 people who identified as Non-Hispanic (97.61%).

Race: The White Alone population was the largest racial group in Jefferson County, Montana with a population of 11,354 (95.27%); Two Or More Races population was the second largest racial group with a population of 253 (2.12%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 207 (1.74%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Montana in 2017, with a population of 11,104 (93.17%); the second largest ethnic group was White Alone - Hispanic with a population of 250 (2.1%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 240 (2.01%).

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 2017
Total Population:
Race in Jefferson County, MT in 2017
Total Population:
Ethnicity in Jefferson County, MT in 2017
Total Population:
Population By Race in Jefferson , MT in 2017
Race Population Percentage
Black or African American Alone 40 0.34%
White Alone 11,354 95.27%
American Indian and Alaska Native Alone 207 1.74%
Asian Alone 58 0.49%
Native Hawaiian And Pacific Islander Alone 6 0.05%
Two Or More Races 253 2.12%
Population By Ethnicity in Jefferson , MT in 2017
Ethnicity Population Percentage
Black or African American Alone - Hispanic 3 0.03%
White Alone - Hispanic 250 2.1%
American Indian and Alaska Native Alone - Hispanic 18 0.15%
Asian Alone - Hispanic 1 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 13 0.11%
Black or African American Alone - Non Hispanic 37 0.31%
White Alone - Non Hispanic 11,104 93.17%
American Indian and Alaska Native Alone - Non Hispanic 189 1.59%
Asian Alone - Non Hispanic 57 0.48%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 6 0.05%
Two Or More Races - Non Hispanic 240 2.01%