O'Brien County, Iowa 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 10.88K voting-age population of O'Brien County, IA residents comprised of 570 residents who identified as Hispanic or Latino (5.24%), and 10.31K residents who identified as Non-Hispanic (94.76%).

Race: The White Alone voting-age population was the largest racial group in O'Brien County, IA, with a voting-age population of 10.08K (92.62%). The Two Or More Races voting-age population was the second largest racial group in O'Brien County, IA, with a voting-age population of 344 (3.16%). The Some Other Race Alone voting-age population was the third largest racial group in O'Brien County, IA, with a voting-age population of 245 (2.25%). The smallest racial group in O'Brien County, IA was Native Hawaiian And Pacific Islander Alone with a voting-age population of 6 (0.06%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in O'Brien County, IA, with a voting-age population of 9.97K (91.56%). The Hispanic - Some Other Race Alone voting-age population was the second largest ethnic group in O'Brien County, IA, with a voting-age population of 232 (2.13%). The Hispanic - Two or More Races voting-age population was the third largest ethnic group in O'Brien County, IA, with a voting-age population of 194 (1.78%). The smallest ethnic group in O'Brien County, IA 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 O'Brien County, Iowa from the 2020 decennial census.

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

O'Brien County, IA Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
O'Brien County, IA Voting-age Racial Groups in Census 2020
Total Voting-age Population:
O'Brien County, IA Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
O'Brien County, IA 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 99 0.91
White Alone 10081 92.62
American Indian and Alaska Native Alone 50 0.46
Asian Alone 59 0.54
Native Hawaiian And Pacific Islander Alone 6 0.06
Some Other Race Alone 245 2.25
Two Or More Races 344 3.16
O'Brien County, IA 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 9965 91.56
Hispanic - Some Other Race Alone 232 2.13
Hispanic - Two or More Races 194 1.78
Non-Hispanic - Two or More Races 150 1.38
Hispanic - White Alone 116 1.07
Non-Hispanic - Black Alone 97 0.89
Non-Hispanic - Asian Alone 58 0.53
Non-Hispanic - American Indian & Alaska Native 25 0.23
Hispanic - American Indian & Alaska Native 25 0.23
Non-Hispanic - Some Other Race Alone 13 0.12
Non-Hispanic - Native Hawaiian & Pac. Islander 6 0.06
Hispanic - Black Alone 2 0.02
Hispanic - Asian Alone 1 0.01
Hispanic - Native Hawaiian & Pac. Islander 0 0.00