Population By Race and Ethnicity in Williamson County, TX in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the 591,823 population of Williamson County, Texas comprised of 146,860 people who identified as Hispanic (24.82%), and 444,963 people who identified as Non-Hispanic (75.19%).

Race: The White Alone population was the largest racial group in Williamson County, Texas with a population of 475,922 (80.42%); Asian Alone population was the second largest racial group with a population of 48,306 (8.16%); and Black or African American Alone was the third largest racial group with a population of 43,877 (7.41%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Williamson County, Texas in 2019, with a population of 342,447 (57.86%); the second largest ethnic group was White Alone - Hispanic with a population of 133,475 (22.55%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 46,929 (7.93%).

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

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

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Hispanics and Non Hispanics in Williamson County, TX in 2019
Total Population:
Race in Williamson County, TX in 2019
Total Population:
Ethnicity in Williamson County, TX in 2019
Total Population:
Population By Race in Williamson , TX in 2019
Race Population Percentage
Black or African American Alone 43,877 7.41%
White Alone 475,922 80.42%
American Indian and Alaska Native Alone 5,223 0.88%
Asian Alone 48,306 8.16%
Native Hawaiian And Pacific Islander Alone 964 0.16%
Two Or More Races 17,531 2.96%
Population By Ethnicity in Williamson , TX in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 4,394 0.74%
White Alone - Hispanic 133,475 22.55%
American Indian and Alaska Native Alone - Hispanic 3,304 0.56%
Asian Alone - Hispanic 1,377 0.23%
Native Hawaiian And Pacific Islander Alone - Hispanic 338 0.06%
Two Or More Races - Hispanic 3,972 0.67%
Black or African American Alone - Non Hispanic 39,483 6.67%
White Alone - Non Hispanic 342,447 57.86%
American Indian and Alaska Native Alone - Non Hispanic 1,919 0.32%
Asian Alone - Non Hispanic 46,929 7.93%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 626 0.11%
Two Or More Races - Non Hispanic 13,559 2.29%