Population By Race and Ethnicity in Hamilton County, IA in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 15,008 population of Hamilton County, Iowa comprised of 1,001 people who identified as Hispanic (6.67%), and 14,007 people who identified as Non-Hispanic (93.33%).

Race: The White Alone population was the largest racial group in Hamilton County, Iowa with a population of 14,107 (94%); Asian Alone population was the second largest racial group with a population of 365 (2.43%); and Two Or More Races was the third largest racial group with a population of 242 (1.61%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Hamilton County, Iowa in 2020, with a population of 13,229 (88.15%); the second largest ethnic group was White Alone - Hispanic with a population of 878 (5.85%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 361 (2.4%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Hamilton, Iowa.

You can find similar information for other Iowa counties, and for Iowa.

See this for other years:
Hispanics and Non Hispanics in Hamilton County, IA in 2020
Total Population:
Race in Hamilton County, IA in 2020
Total Population:
Ethnicity in Hamilton County, IA in 2020
Total Population:
Population By Race in Hamilton , IA in 2020
Race Population Percentage
Black or African American Alone 209 1.39%
White Alone 14,107 94%
American Indian and Alaska Native Alone 83 0.55%
Asian Alone 365 2.43%
Native Hawaiian And Pacific Islander Alone 2 0.01%
Two Or More Races 242 1.61%
Population By Ethnicity in Hamilton , IA in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 42 0.28%
White Alone - Hispanic 878 5.85%
American Indian and Alaska Native Alone - Hispanic 46 0.31%
Asian Alone - Hispanic 4 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 2 0.01%
Two Or More Races - Hispanic 29 0.19%
Black or African American Alone - Non Hispanic 167 1.11%
White Alone - Non Hispanic 13,229 88.15%
American Indian and Alaska Native Alone - Non Hispanic 37 0.25%
Asian Alone - Non Hispanic 361 2.4%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 0 0%
Two Or More Races - Non Hispanic 213 1.42%