Jefferson County, Montana Voting-age Population By Race and Ethnicity from Census 2020

Updated on August 29, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 9.57K voting-age population of Jefferson County, MT residents comprised of 170 residents who identified as Hispanic or Latino (1.78%), and 9.40K residents who identified as Non-Hispanic (98.22%).

Race: The White Alone voting-age population was the largest racial group in Jefferson County, MT, with a voting-age population of 8.83K (92.26%). The Two Or More Races voting-age population was the second largest racial group in Jefferson County, MT, with a voting-age population of 492 (5.14%). The American Indian and Alaska Native Alone voting-age population was the third largest racial group in Jefferson County, MT, with a voting-age population of 121 (1.26%). The smallest racial group in Jefferson County, MT was Native Hawaiian And Pacific Islander Alone with a voting-age population of 0 (0.00%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Jefferson County, MT, with a voting-age population of 8.78K (91.77%). The Non-Hispanic - Two or More Races voting-age population was the second largest ethnic group in Jefferson County, MT, with a voting-age population of 404 (4.22%). The Non-Hispanic - American Indian & Alaska Native voting-age population was the third largest ethnic group in Jefferson County, MT, with a voting-age population of 120 (1.25%). The smallest ethnic group in Jefferson County, MT was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 0 (0.00%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in Jefferson County, Montana from the 2020 decennial census.

You can see similar information for other Montana counties and also for the state of Montana.

Jefferson County, MT Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Jefferson County, MT Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Jefferson County, MT Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Jefferson County, MT Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 11 0.12
White Alone 8826 92.26
American Indian and Alaska Native Alone 121 1.26
Asian Alone 42 0.44
Native Hawaiian And Pacific Islander Alone 0 0.00
Some Other Race Alone 74 0.77
Two Or More Races 492 5.14
Jefferson County, MT Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 8779 91.77
Non-Hispanic - Two or More Races 404 4.22
Non-Hispanic - American Indian & Alaska Native 120 1.25
Hispanic - Two or More Races 88 0.92
Hispanic - White Alone 47 0.49
Non-Hispanic - Asian Alone 42 0.44
Non-Hispanic - Some Other Race Alone 40 0.42
Hispanic - Some Other Race Alone 34 0.36
Non-Hispanic - Black Alone 11 0.12
Hispanic - American Indian & Alaska Native 1 0.01
Hispanic - Black Alone 0 0.00
Hispanic - Asian Alone 0 0.00
Non-Hispanic - Native Hawaiian & Pac. Islander 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00