Population By Race and Ethnicity in Jefferson, KY in 2021

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2021, the 777,251 population of Jefferson County, Kentucky comprised of 60,936 people who identified as Hispanic (7.84%), and 716,315 people who identified as Non-Hispanic (92.16%).

Race: The White Alone population was the largest racial group in Jefferson County, Kentucky with a population of 550,944 (70.88%); Black or African American Alone population was the second largest racial group with a population of 177,530 (22.84%); and Asian Alone was the third largest racial group with a population of 25,289 (3.25%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Kentucky in 2021, with a population of 497,093 (63.96%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 172,958 (22.25%); and the third largest ethnic group was White Alone - Hispanic with a population of 53,851 (6.93%).

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

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

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Hispanics and Non Hispanics in Jefferson, KY in 2021
Total Population:
Race in Jefferson, KY in 2021
Total Population:
Ethnicity in Jefferson, KY in 2021
Total Population:
Population By Race in Jefferson , KY in 2021
Race Population Percentage
Black or African American Alone 177,530 22.84%
White Alone 550,944 70.88%
American Indian and Alaska Native Alone 1,491 0.19%
Asian Alone 25,289 3.25%
Native Hawaiian And Pacific Islander Alone 408 0.05%
Two Or More Races 21,589 2.78%
Population By Ethnicity in Jefferson , KY in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 4,572 0.59%
White Alone - Hispanic 53,851 6.93%
American Indian and Alaska Native Alone - Hispanic 596 0.08%
Asian Alone - Hispanic 208 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 94 0.01%
Two Or More Races - Hispanic 1,615 0.21%
Black or African American Alone - Non Hispanic 172,958 22.25%
White Alone - Non Hispanic 497,093 63.96%
American Indian and Alaska Native Alone - Non Hispanic 895 0.12%
Asian Alone - Non Hispanic 25,081 3.23%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 314 0.04%
Two Or More Races - Non Hispanic 19,974 2.57%