Population By Race and Ethnicity in Hamilton, IN in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 330,635 population of Hamilton County, Indiana comprised of 13,604 people who identified as Hispanic (4.12%), and 317,031 people who identified as Non-Hispanic (95.89%).

Race: The White Alone population was the largest racial group in Hamilton County, Indiana with a population of 287,208 (86.87%); Asian Alone population was the second largest racial group with a population of 21,080 (6.38%); and Black or African American Alone was the third largest racial group with a population of 14,574 (4.41%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Hamilton County, Indiana in 2018, with a population of 275,153 (83.22%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 20,839 (6.3%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 14,066 (4.25%).

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.

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Hispanics and Non Hispanics in Hamilton, IN in 2018
Total Population:
Race in Hamilton, IN in 2018
Total Population:
Ethnicity in Hamilton, IN in 2018
Total Population:
Population By Race in Hamilton , IN in 2018
Race Population Percentage
Black or African American Alone 14,574 4.41%
White Alone 287,208 86.87%
American Indian and Alaska Native Alone 734 0.22%
Asian Alone 21,080 6.38%
Native Hawaiian And Pacific Islander Alone 155 0.05%
Two Or More Races 6,884 2.08%
Population By Ethnicity in Hamilton , IN in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 508 0.15%
White Alone - Hispanic 12,055 3.65%
American Indian and Alaska Native Alone - Hispanic 237 0.07%
Asian Alone - Hispanic 241 0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic 63 0.02%
Two Or More Races - Hispanic 500 0.15%
Black or African American Alone - Non Hispanic 14,066 4.25%
White Alone - Non Hispanic 275,153 83.22%
American Indian and Alaska Native Alone - Non Hispanic 497 0.15%
Asian Alone - Non Hispanic 20,839 6.3%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 92 0.03%
Two Or More Races - Non Hispanic 6,384 1.93%