Population By Race and Ethnicity in Hamilton County, IA in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the 14,863 population of Hamilton County, Iowa comprised of 1,474 people who identified as Hispanic (9.92%), and 13,389 people who identified as Non-Hispanic (90.08%).

Race: The White Alone population was the largest racial group in Hamilton County, Iowa with a population of 13,913 (93.61%); Asian Alone population was the second largest racial group with a population of 353 (2.38%); and Two Or More Races was the third largest racial group with a population of 269 (1.81%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Hamilton County, Iowa in 2021, with a population of 12,629 (84.97%); the second largest ethnic group was White Alone - Hispanic with a population of 1,284 (8.64%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 346 (2.33%).

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 2021
Total Population:
Race in Hamilton County, IA in 2021
Total Population:
Ethnicity in Hamilton County, IA in 2021
Total Population:
Population By Race in Hamilton , IA in 2021
Race Population Percentage
Black or African American Alone 205 1.38%
White Alone 13,913 93.61%
American Indian and Alaska Native Alone 120 0.81%
Asian Alone 353 2.38%
Native Hawaiian And Pacific Islander Alone 3 0.02%
Two Or More Races 269 1.81%
Population By Ethnicity in Hamilton , IA in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 57 0.38%
White Alone - Hispanic 1,284 8.64%
American Indian and Alaska Native Alone - Hispanic 79 0.53%
Asian Alone - Hispanic 7 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 3 0.02%
Two Or More Races - Hispanic 44 0.3%
Black or African American Alone - Non Hispanic 148 1%
White Alone - Non Hispanic 12,629 84.97%
American Indian and Alaska Native Alone - Non Hispanic 41 0.28%
Asian Alone - Non Hispanic 346 2.33%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 0 0%
Two Or More Races - Non Hispanic 225 1.51%