Race, Diversity, and Ethnicity in Decatur County, IA

The map below shows majority race by area in Decatur 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 Decatur County racial diversity and diversity scores. Click here to scroll to diversity data.

Decatur 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 Decatur County overall is white, making up 91.4% of residents. The next most-common racial group is hispanic at 3.1%. There are more white people in the northwest areas of the county. People who identify as hispanic are most likely to be living in the north 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 Decatur County
Race
Decatur County, IA Population
White
91.4%
Hispanic
3.1%
Black
1.8%
Asian
0.8%
Native American
0.0%
Other
2.9%
 

Racial Distribution Key

White
Hispanic
Black
Asian
Native American
Other
 
Self-Identified Race
Decatur County, IA Population
White
91.4%
Hispanic
3.1%
Black
1.8%
Asian
0.8%
Native American
0.0%
Other
2.9%
   

Diversity and Diversity Scores for Decatur County, IA

The map below shows diversity in Decatur 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.

Decatur County, IA map of race and ethnicity
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Diversity Score

Diverse
Moderately diverse
No diversity
 

Decatur County Diversity Score

40

With a diversity score of 40 out of 100, Decatur County is less diverse than other US counties. The most diverse area within Decatur County's proper boundaries is to the southwest of the county. The least diverse areas are located in the east parts of Decatur County.

Data Sources: U.S. Census, proprietary data mapping and analysis. Special thanks to the University of Virginia.

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