O'Brien County, Iowa Census 2020 Population By Race and Ethnicity

Updated on April 9, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 14.18K population of O'Brien County, IA residents comprised of 985 residents who identified as Hispanic or Latino (6.95%), and 13.20K residents who identified as Non-Hispanic (93.06%).

Race: The White Alone population was the largest racial group in O'Brien County, IA, with a population of 12.83K (90.43%). The Two Or More Races population was the second largest racial group in O'Brien County, IA, with a population of 649 (4.58%). The Some Other Race Alone population was the third largest racial group in O'Brien County, IA, with a population of 376 (2.65%). The smallest racial group in O'Brien County, IA was Native Hawaiian And Pacific Islander Alone with a population of 11 (0.08%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in O'Brien County, IA, with a population of 12.61K (88.91%). The Hispanic - Two or More Races population was the second largest ethnic group in O'Brien County, IA, with a population of 375 (2.64%). The Hispanic - Some Other Race Alone population was the third largest ethnic group in O'Brien County, IA, with a population of 350 (2.47%). The smallest ethnic group in O'Brien County, IA was Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

The charts and tables below shows the 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 Hispanics and Non Hispanics Population in Census 2020
Total Population:14,182
93.06%
Non Hispanic (93.06%)
Hispanic (6.95%)
O'Brien County, IA Racial Groups in Census 2020
Total Population:14,182
90.43%
White Alone (90.43%)
Two or more races (4.58%)
Some Other Race Alone (2.65%)
Black or African American Alone (1.14%)
American Indian and Alaska Native Alone (0.56%)
Asian Alone (0.56%)
Native Hawaiian And Pacific Islander Alone (0.08%)
O'Brien County, IA Ethnicity Groups in Census 2020
Total Population:14,182
88.91%
Non-Hispanic - White Alone (88.91%)
Hispanic - Two or more races (2.64%)
Hispanic - Some Other Race Alone (2.47%)
Non-Hispanic - Two or more races (1.93%)
Hispanic - White Alone (1.52%)
Non-Hispanic - Black or African American Alone (1.12%)
All Other Ethnicities (0.85%)
Non-Hispanic - Asian Alone (0.56%)
O'Brien County, IA Population of Racial Groups in Census 2020
Race
Population
% of County Population
White Alone 12,825 90.43
Two Or More Races 649 4.58
Some Other Race Alone 376 2.65
Black or African American Alone 161 1.14
American Indian and Alaska Native Alone 80 0.56
Asian Alone 80 0.56
Native Hawaiian And Pacific Islander Alone 11 0.08
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O'Brien County, IA Population of Ethnicity Groups in Census 2020
Ethnicity
Population
% of County Population
Non-Hispanic - White Alone 12,609 88.91
Hispanic - Two or More Races 375 2.64
Hispanic - Some Other Race Alone 350 2.47
Non-Hispanic - Two or More Races 274 1.93
Hispanic - White Alone 216 1.52
Non-Hispanic - Black Alone 159 1.12
Non-Hispanic - Asian Alone 79 0.56
Hispanic - American Indian & Alaska Native 41 0.29
Non-Hispanic - American Indian & Alaska Native 39 0.28
Non-Hispanic - Some Other Race Alone 26 0.18
Non-Hispanic - Native Hawaiian & Pac. Islander 11 0.08
Hispanic - Black Alone 2 0.01
Hispanic - Asian Alone 1 0.01
Hispanic - Native Hawaiian & Pac. Islander 0 0.00
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