Population By Race and Ethnicity in Marion County, IN in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 959,370 population of Marion County, Indiana comprised of 101,191 people who identified as Hispanic (10.55%), and 858,179 people who identified as Non-Hispanic (89.45%).

Race: The White Alone population was the largest racial group in Marion County, Indiana with a population of 610,962 (63.68%); Black or African American Alone population was the second largest racial group with a population of 279,385 (29.12%); and Asian Alone was the third largest racial group with a population of 35,427 (3.69%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Marion County, Indiana in 2018, with a population of 523,810 (54.6%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 272,195 (28.37%); and the third largest ethnic group was White Alone - Hispanic with a population of 87,152 (9.08%).

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

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

See this for other years:
Hispanics and Non Hispanics in Marion County, IN in 2018
Total Population:
Race in Marion County, IN in 2018
Total Population:
Ethnicity in Marion County, IN in 2018
Total Population:
Population By Race in Marion , IN in 2018
Race Population Percentage
Black or African American Alone 279,385 29.12%
White Alone 610,962 63.68%
American Indian and Alaska Native Alone 4,374 0.46%
Asian Alone 35,427 3.69%
Native Hawaiian And Pacific Islander Alone 656 0.07%
Two Or More Races 28,566 2.98%
Population By Ethnicity in Marion , IN in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 7,190 0.75%
White Alone - Hispanic 87,152 9.08%
American Indian and Alaska Native Alone - Hispanic 2,609 0.27%
Asian Alone - Hispanic 499 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 411 0.04%
Two Or More Races - Hispanic 3,330 0.35%
Black or African American Alone - Non Hispanic 272,195 28.37%
White Alone - Non Hispanic 523,810 54.6%
American Indian and Alaska Native Alone - Non Hispanic 1,765 0.18%
Asian Alone - Non Hispanic 34,928 3.64%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 245 0.03%
Two Or More Races - Non Hispanic 25,236 2.63%