Population By Race and Ethnicity in O'Brien County, IA in 2014

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2014, the 14,045 population of O'Brien County, Iowa comprised of 612 people who identified as Hispanic (4.36%), and 13,433 people who identified as Non-Hispanic (95.64%).

Race: The White Alone population was the largest racial group in O'Brien County, Iowa with a population of 13,658 (97.25%); Black or African American Alone population was the second largest racial group with a population of 129 (0.92%); and Asian Alone was the third largest racial group with a population of 111 (0.79%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in O'Brien County, Iowa in 2014, with a population of 13,127 (93.46%); the second largest ethnic group was White Alone - Hispanic with a population of 531 (3.78%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 108 (0.77%).

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.

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Hispanics and Non Hispanics in O'Brien County, IA in 2014
Total Population:
Race in O'Brien County, IA in 2014
Total Population:
Ethnicity in O'Brien County, IA in 2014
Total Population:
Population By Race in O'Brien , IA in 2014
Race Population Percentage
Black or African American Alone 129 0.92%
White Alone 13,658 97.25%
American Indian and Alaska Native Alone 33 0.24%
Asian Alone 111 0.79%
Native Hawaiian And Pacific Islander Alone 4 0.03%
Two Or More Races 110 0.78%
Population By Ethnicity in O'Brien , IA in 2014
Ethnicity Population Percentage
Black or African American Alone - Hispanic 47 0.34%
White Alone - Hispanic 531 3.78%
American Indian and Alaska Native Alone - Hispanic 13 0.09%
Asian Alone - Hispanic 3 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 17 0.12%
Black or African American Alone - Non Hispanic 82 0.58%
White Alone - Non Hispanic 13,127 93.46%
American Indian and Alaska Native Alone - Non Hispanic 20 0.14%
Asian Alone - Non Hispanic 108 0.77%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 3 0.02%
Two Or More Races - Non Hispanic 93 0.66%