O'Brien County, Iowa Diversity Indicators (2024)

Total Population

14,126

Diversity Score

23.7

Diversity Tier

Moderate-Low

Largest Group

White (Non-Hispanic)
87.0%%

O'Brien County, Iowa Racial & Ethnic Breakdown

Bar chart showing racial distribution in  for 2024
Figure 1: Percentage breakdown of the population by race and ethnicity in (2024).


O'Brien County, Iowa Population by Race & Ethnicity

Race / EthnicityPopulationPercentage
White (Non-Hispanic)12,28887.0%
Hispanic or Latino1,0747.6%
Two or More Races3662.6%
Black / African American2401.7%
Asian920.7%
Native American240.2%
Pacific Islander220.2%
Other Race200.1%


Diversity & Demographics FAQs for O'Brien County, Iowa

The largest racial or ethnic group in O'Brien County, Iowa is White (Non-Hispanic), which makes up 87.0% of the total population.

Since 2010, the diversity index for O'Brien County, Iowa has increased significantly. The area currently has a diversity score of 23.7/100, which is considered a Moderate-Low level of diversity.
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