Population By Race and Ethnicity in Johnson County, KS in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 611,149 population of Johnson County, Kansas comprised of 54,505 people who identified as Hispanic (8.92%), and 556,644 people who identified as Non-Hispanic (91.08%).

Race: The White Alone population was the largest racial group in Johnson County, Kansas with a population of 527,978 (86.39%); Asian Alone population was the second largest racial group with a population of 33,054 (5.41%); and Black or African American Alone was the third largest racial group with a population of 30,765 (5.03%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Johnson County, Kansas in 2020, with a population of 477,760 (78.17%); the second largest ethnic group was White Alone - Hispanic with a population of 50,218 (8.22%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 32,838 (5.37%).

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

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

See this for other years:
Hispanics and Non Hispanics in Johnson County, KS in 2020
Total Population:
Race in Johnson County, KS in 2020
Total Population:
Ethnicity in Johnson County, KS in 2020
Total Population:
Population By Race in Johnson , KS in 2020
Race Population Percentage
Black or African American Alone 30,765 5.03%
White Alone 527,978 86.39%
American Indian and Alaska Native Alone 2,588 0.42%
Asian Alone 33,054 5.41%
Native Hawaiian And Pacific Islander Alone 195 0.03%
Two Or More Races 16,569 2.71%
Population By Ethnicity in Johnson , KS in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,403 0.23%
White Alone - Hispanic 50,218 8.22%
American Indian and Alaska Native Alone - Hispanic 896 0.15%
Asian Alone - Hispanic 216 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 56 0.01%
Two Or More Races - Hispanic 1,716 0.28%
Black or African American Alone - Non Hispanic 29,362 4.8%
White Alone - Non Hispanic 477,760 78.17%
American Indian and Alaska Native Alone - Non Hispanic 1,692 0.28%
Asian Alone - Non Hispanic 32,838 5.37%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 139 0.02%
Two Or More Races - Non Hispanic 14,853 2.43%