Hamilton City, Montana Census 2020 Voting-age Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 3.83K voting-age population of Hamilton City, MT residents comprised of 123 residents who identified as Hispanic or Latino (3.21%), and 3.70K residents who identified as Non-Hispanic (96.79%).

Race: The White Alone voting-age population was the largest racial group in Hamilton City, MT, with a voting-age population of 3.48K (91.01%). The Two Or More Races voting-age population was the second largest racial group in Hamilton City, MT, with a voting-age population of 174 (4.55%). The Asian Alone voting-age population was the third largest racial group in Hamilton City, MT, with a voting-age population of 57 (1.49%). The smallest racial group in Hamilton City, MT was Native Hawaiian And Pacific Islander Alone with a voting-age population of 3 (0.08%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Hamilton City, MT, with a voting-age population of 3.44K (89.86%). The Non-Hispanic - Two or More Races voting-age population was the second largest ethnic group in Hamilton City, MT, with a voting-age population of 129 (3.37%). The Non-Hispanic - Asian Alone voting-age population was the third largest ethnic group in Hamilton City, MT, with a voting-age population of 56 (1.46%). The smallest ethnic group in Hamilton City, 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 Hamilton City, Montana from the 2020 decennial census.

You can see similar information for other cities and places in Montana and also for the state of Montana.

Hamilton City, MT Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Hamilton City, MT Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Hamilton City, MT Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Hamilton City, MT Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of City or Place Voting-age Population
Black or African American Alone 20 0.52
White Alone 3483 91.01
American Indian and Alaska Native Alone 35 0.92
Asian Alone 57 1.49
Native Hawaiian And Pacific Islander Alone 3 0.08
Some Other Race Alone 55 1.44
Two Or More Races 174 4.55
Hamilton City, MT Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of City or Place Voting-age Population
Non-Hispanic - White Alone 3439 89.86
Non-Hispanic - Two or More Races 129 3.37
Non-Hispanic - Asian Alone 56 1.46
Hispanic - Two or More Races 45 1.18
Hispanic - White Alone 44 1.15
Non-Hispanic - Some Other Race Alone 31 0.81
Non-Hispanic - American Indian & Alaska Native 26 0.68
Hispanic - Some Other Race Alone 24 0.63
Non-Hispanic - Black Alone 20 0.52
Hispanic - American Indian & Alaska Native 9 0.24
Non-Hispanic - Native Hawaiian & Pac. Islander 3 0.08
Hispanic - Asian Alone 1 0.03
Hispanic - Black Alone 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00