Population By Race and Ethnicity in Williamson County, TX in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 426,568 population of Williamson County, Texas comprised of 99,248 people who identified as Hispanic (23.27%), and 327,320 people who identified as Non-Hispanic (76.73%).

Race: The White Alone population was the largest racial group in Williamson County, Texas with a population of 363,357 (85.18%); Black or African American Alone population was the second largest racial group with a population of 27,680 (6.49%); and Asian Alone was the third largest racial group with a population of 21,377 (5.01%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Williamson County, Texas in 2010, with a population of 272,182 (63.81%); the second largest ethnic group was White Alone - Hispanic with a population of 91,175 (21.37%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 25,103 (5.89%).

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.

See this for other years:
Hispanics and Non Hispanics in Williamson County, TX in 2010
Total Population:
Race in Williamson County, TX in 2010
Total Population:
Ethnicity in Williamson County, TX in 2010
Total Population:
Population By Race in Williamson , TX in 2010
Race Population Percentage
Black or African American Alone 27,680 6.49%
White Alone 363,357 85.18%
American Indian and Alaska Native Alone 3,692 0.87%
Asian Alone 21,377 5.01%
Native Hawaiian And Pacific Islander Alone 564 0.13%
Two Or More Races 9,898 2.32%
Population By Ethnicity in Williamson , TX in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 2,577 0.6%
White Alone - Hispanic 91,175 21.37%
American Indian and Alaska Native Alone - Hispanic 2,333 0.55%
Asian Alone - Hispanic 751 0.18%
Native Hawaiian And Pacific Islander Alone - Hispanic 181 0.04%
Two Or More Races - Hispanic 2,231 0.52%
Black or African American Alone - Non Hispanic 25,103 5.89%
White Alone - Non Hispanic 272,182 63.81%
American Indian and Alaska Native Alone - Non Hispanic 1,359 0.32%
Asian Alone - Non Hispanic 20,626 4.84%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 383 0.09%
Two Or More Races - Non Hispanic 7,667 1.8%