Sidney 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 4.78K voting-age population of Sidney City, MT residents comprised of 264 residents who identified as Hispanic or Latino (5.52%), and 4.52K residents who identified as Non-Hispanic (94.48%).

Race: The White Alone voting-age population was the largest racial group in Sidney City, MT, with a voting-age population of 4.17K (87.25%). The Two Or More Races voting-age population was the second largest racial group in Sidney City, MT, with a voting-age population of 309 (6.46%). The American Indian and Alaska Native Alone voting-age population was the third largest racial group in Sidney City, MT, with a voting-age population of 97 (2.03%). The smallest racial group in Sidney City, MT was Native Hawaiian And Pacific Islander Alone with a voting-age population of 4 (0.08%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Sidney City, MT, with a voting-age population of 4.07K (85.12%). The Non-Hispanic - Two or More Races voting-age population was the second largest ethnic group in Sidney City, MT, with a voting-age population of 235 (4.91%). The Hispanic - White Alone voting-age population was the third largest ethnic group in Sidney City, MT, with a voting-age population of 102 (2.13%). The smallest ethnic group in Sidney 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 Sidney 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.

Sidney City, MT Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Sidney City, MT Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Sidney City, MT Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Sidney 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 32 0.67
White Alone 4174 87.25
American Indian and Alaska Native Alone 97 2.03
Asian Alone 75 1.57
Native Hawaiian And Pacific Islander Alone 4 0.08
Some Other Race Alone 93 1.94
Two Or More Races 309 6.46
Sidney 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 4072 85.12
Non-Hispanic - Two or More Races 235 4.91
Hispanic - White Alone 102 2.13
Non-Hispanic - American Indian & Alaska Native 88 1.84
Hispanic - Some Other Race Alone 79 1.65
Non-Hispanic - Asian Alone 75 1.57
Hispanic - Two or More Races 74 1.55
Non-Hispanic - Black Alone 32 0.67
Non-Hispanic - Some Other Race Alone 14 0.29
Hispanic - American Indian & Alaska Native 9 0.19
Non-Hispanic - Native Hawaiian & Pac. Islander 4 0.08
Hispanic - Black Alone 0 0.00
Hispanic - Asian Alone 0 0.00
Hispanic - Native Hawaiian & Pac. Islander 0 0.00