Population By Race and Ethnicity in Williamson County, TX in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 442,366 population of Williamson County, Texas comprised of 104,016 people who identified as Hispanic (23.51%), and 338,350 people who identified as Non-Hispanic (76.49%).

Race: The White Alone population was the largest racial group in Williamson County, Texas with a population of 375,306 (84.84%); Black or African American Alone population was the second largest racial group with a population of 29,117 (6.58%); and Asian Alone was the third largest racial group with a population of 22,943 (5.19%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Williamson County, Texas in 2011, with a population of 279,880 (63.27%); the second largest ethnic group was White Alone - Hispanic with a population of 95,426 (21.57%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 26,366 (5.96%).

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 2011
Total Population:442,366
76.49%23.51%
Non Hispanic (76.49%)
Hispanic (23.51%)
Race in Williamson County, TX in 2011
Total Population:442,366
84.84%
White Alone (84.84%)
Black or African American Alone (6.58%)
Asian Alone (5.19%)
Two or more races (2.38%)
American Indian and Alaska Native Alone (0.87%)
Native Hawaiian And Pacific Islander Alone (0.14%)
Ethnicity in Williamson County, TX in 2011
Total Population:442,366
63.27%21.57%
Non-Hispanic White Alone (63.27%)
Hispanic White Alone (21.57%)
Non-Hispanic Black or African American Alone (5.96%)
Non-Hispanic Asian Alone (5%)
All Other Ethnicities (2.35%)
Non-Hispanic Two or more races (1.84%)
Population By Race in Williamson , TX in 2011
Race
Population
Percentage
White Alone 375,306 84.84%
Black or African American Alone 29,117 6.58%
Asian Alone 22,943 5.19%
Two Or More Races 10,545 2.38%
American Indian and Alaska Native Alone 3,832 0.87%
Native Hawaiian And Pacific Islander Alone 623 0.14%
Population By Ethnicity in Williamson , TX in 2011
Ethnicity
Population
Percentage
White Alone - Non Hispanic 279,880 63.27%
White Alone - Hispanic 95,426 21.57%
Black or African American Alone - Non Hispanic 26,366 5.96%
Asian Alone - Non Hispanic 22,132 5%
Two Or More Races - Non Hispanic 8,159 1.84%
Black or African American Alone - Hispanic 2,751 0.62%
American Indian and Alaska Native Alone - Hispanic 2,436 0.55%
Two Or More Races - Hispanic 2,386 0.54%
American Indian and Alaska Native Alone - Non Hispanic 1,396 0.32%
Asian Alone - Hispanic 811 0.18%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 417 0.09%
Native Hawaiian And Pacific Islander Alone - Hispanic 206 0.05%