Race, Diversity, and Ethnicity in Hamilton County, IA

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

Hamilton 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 Hamilton County overall is white, making up 82.5% of residents. The next most-common racial group is hispanic at 11.4%. There are more white people in the northeast 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 Hamilton County

 
Self-Identified Race
Hamilton County, IA Population
White
82.5%
Hispanic
11.4%
Black
0.9%
Asian
2.3%
Native American
0.2%
Other
2.7%
   

Diversity and Diversity Scores for Hamilton County, IA

The map below shows diversity in Hamilton 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.

Hamilton County, IA map of race and ethnicity
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Hamilton County Diversity Score

30.5

More diverse than 47% of US counties

Hamilton County has a diversity score of 30.5: 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. Hamilton County is about average for diversity versus other US counties, more diverse than 47% of them. Within Hamilton County's proper boundaries, the most diverse area is northwest Hamilton County, and the least diverse areas are in southeast Hamilton 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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