Population By Race and Ethnicity in Hamilton, IN in 2020

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2020, the 348,996 population of Hamilton County, Indiana comprised of 18,197 people who identified as Hispanic (5.21%), and 330,799 people who identified as Non-Hispanic (94.79%).

Race: The White Alone population was the largest racial group in Hamilton County, Indiana with a population of 300,188 (86.02%); Asian Alone population was the second largest racial group with a population of 23,704 (6.79%); and Black or African American Alone was the third largest racial group with a population of 16,278 (4.66%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Hamilton County, Indiana in 2020, with a population of 284,081 (81.4%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 23,381 (6.7%); and the third largest ethnic group was White Alone - Hispanic with a population of 16,107 (4.62%).

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

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

See this for other years:
Hispanics and Non Hispanics in Hamilton, IN in 2020
Total Population:
Race in Hamilton, IN in 2020
Total Population:
Ethnicity in Hamilton, IN in 2020
Total Population:
Population By Race in Hamilton , IN in 2020
Race Population Percentage
Black or African American Alone 16,278 4.66%
White Alone 300,188 86.02%
American Indian and Alaska Native Alone 822 0.24%
Asian Alone 23,704 6.79%
Native Hawaiian And Pacific Islander Alone 168 0.05%
Two Or More Races 7,836 2.25%
Population By Ethnicity in Hamilton , IN in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 733 0.21%
White Alone - Hispanic 16,107 4.62%
American Indian and Alaska Native Alone - Hispanic 318 0.09%
Asian Alone - Hispanic 323 0.09%
Native Hawaiian And Pacific Islander Alone - Hispanic 77 0.02%
Two Or More Races - Hispanic 639 0.18%
Black or African American Alone - Non Hispanic 15,545 4.45%
White Alone - Non Hispanic 284,081 81.4%
American Indian and Alaska Native Alone - Non Hispanic 504 0.14%
Asian Alone - Non Hispanic 23,381 6.7%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 91 0.03%
Two Or More Races - Non Hispanic 7,197 2.06%