Population By Race and Ethnicity in O'Brien County, IA in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 14,405 population of O'Brien County, Iowa comprised of 553 people who identified as Hispanic (3.84%), and 13,852 people who identified as Non-Hispanic (96.16%).

Race: The White Alone population was the largest racial group in O'Brien County, Iowa with a population of 14,114 (97.98%); Black or African American Alone population was the second largest racial group with a population of 92 (0.64%); and Asian Alone was the third largest racial group with a population of 89 (0.62%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in O'Brien County, Iowa in 2010, with a population of 13,614 (94.51%); the second largest ethnic group was White Alone - Hispanic with a population of 500 (3.47%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 86 (0.6%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in O'Brien, Iowa.

You can find similar information for other Iowa counties, and for Iowa.

See this for other years:
Hispanics and Non Hispanics in O'Brien County, IA in 2010
Total Population:
Race in O'Brien County, IA in 2010
Total Population:
Ethnicity in O'Brien County, IA in 2010
Total Population:
Population By Race in O'Brien , IA in 2010
Race Population Percentage
Black or African American Alone 92 0.64%
White Alone 14,114 97.98%
American Indian and Alaska Native Alone 22 0.15%
Asian Alone 89 0.62%
Native Hawaiian And Pacific Islander Alone 1 0.01%
Two Or More Races 87 0.6%
Population By Ethnicity in O'Brien , IA in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 34 0.24%
White Alone - Hispanic 500 3.47%
American Indian and Alaska Native Alone - Hispanic 7 0.05%
Asian Alone - Hispanic 3 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 9 0.06%
Black or African American Alone - Non Hispanic 58 0.4%
White Alone - Non Hispanic 13,614 94.51%
American Indian and Alaska Native Alone - Non Hispanic 15 0.1%
Asian Alone - Non Hispanic 86 0.6%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 1 0.01%
Two Or More Races - Non Hispanic 78 0.54%