Race, Diversity, and Ethnicity in O'Brien County, IA

The map below shows majority race by area in O'Brien County, as self-identified on the US census. Darker shades indicate a larger racial majority in that neighborhood. This page also contains data and maps on O'Brien County racial diversity and diversity scores. Click here to scroll to diversity data.

O'Brien County, IA map of race and ethnicity
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White
Hispanic
Black
Asian
Multiple/Other
WhiteHispanicBlackAsianMultiple/Other
Majority race by area

The majority race in O'Brien County overall is white, making up 87.3% of residents. The next most-common racial group is hispanic at 7.3%. There are more white people in the south areas of the county. People who identify as hispanic are most likely to be living in the northwest places. The data below shows how many people identify themselves as each of the following races, which most Americans base on their family's national origin:

Race in O'Brien County

 
Self-Identified Race
O'Brien County, IA Population
White
87.3%
Hispanic
7.3%
Black
1.6%
Asian
0.6%
Native American
0.2%
Other
3.0%
   

Diversity and Diversity Scores for O'Brien County, IA

The map below shows diversity in O'Brien County. Areas in green are more diverse, while areas in red are much less diverse. Diversity, in this case, means a mixture of people with different race and ethnicity living close to one another. For example, all-black and all-white areas in the county would both be considered lacking diversity.

O'Brien County, IA map of race and ethnicity
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O'Brien County Diversity Score

23.2

More diverse than 36% of US counties

O'Brien County has a diversity score of 23.2: the chance, in percent, that two residents picked at random belong to different racial or ethnic groups, from ACS race counts. A place where everyone shares one group scores 0, and an even mix of the six groups in the chart above scores the maximum, 83.3. O'Brien County is less diverse than other US counties, more diverse than 36% of them. Within O'Brien County's proper boundaries, the most diverse area is northwest O'Brien County, and the least diverse areas are in south O'Brien County.

Source: BestNeighborhood calculations from the U.S. Census Bureau, American Community Survey (ACS) 2020-2024 5-year estimates (race and Hispanic origin); proprietary data mapping and analysis. Special thanks to the University of Virginia.

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