Population By Race and Ethnicity in O'Brien County, IA in 2017

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2017, the 13,777 population of O'Brien County, Iowa comprised of 676 people who identified as Hispanic (4.91%), and 13,101 people who identified as Non-Hispanic (95.09%).

Race: The White Alone population was the largest racial group in O'Brien County, Iowa with a population of 13,329 (96.75%); Black or African American Alone population was the second largest racial group with a population of 157 (1.14%); and Two Or More Races was the third largest racial group with a population of 136 (0.99%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in O'Brien County, Iowa in 2017, with a population of 12,747 (92.52%); the second largest ethnic group was White Alone - Hispanic with a population of 582 (4.22%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 117 (0.85%).

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 2017
Total Population:
Race in O'Brien County, IA in 2017
Total Population:
Ethnicity in O'Brien County, IA in 2017
Total Population:
Population By Race in O'Brien , IA in 2017
Race Population Percentage
Black or African American Alone 157 1.14%
White Alone 13,329 96.75%
American Indian and Alaska Native Alone 45 0.33%
Asian Alone 107 0.78%
Native Hawaiian And Pacific Islander Alone 3 0.02%
Two Or More Races 136 0.99%
Population By Ethnicity in O'Brien , IA in 2017
Ethnicity Population Percentage
Black or African American Alone - Hispanic 47 0.34%
White Alone - Hispanic 582 4.22%
American Indian and Alaska Native Alone - Hispanic 24 0.17%
Asian Alone - Hispanic 3 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 19 0.14%
Black or African American Alone - Non Hispanic 110 0.8%
White Alone - Non Hispanic 12,747 92.52%
American Indian and Alaska Native Alone - Non Hispanic 21 0.15%
Asian Alone - Non Hispanic 104 0.76%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 2 0.02%
Two Or More Races - Non Hispanic 117 0.85%