Williamson County, Texas Citizen Voting-age Population By Race and Ethnicity in 2010 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2010, the citizen voting-age population for Williamson County, TX was 256.90K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (188.58K) and constituted 73.40% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (41.68K) and constituted 16.22% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (15.12K), constituting 5.88% of the total citizen voting-age population.

The charts and tables below shows the citizen voting-age population and percentages by race and ethnicity.

You can also see similar information for other Texas counties, and for Texas.

Data Source: US Census - ACS 5-Years (CVAP).

See this for other years:

Williamson County, Texas Citizen Voting-age Population By Race and Ethnicity in 2010

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Black Alone

Non-Hispanic Asian Alone

Non-Hispanic Two Or More Races

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Williamson County, Texas Citizen Voting-age Population By Race and Ethnicity in 2010

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	188575	73.40
Hispanic or Latino of All Races	41680	16.22
Non-Hispanic Black or African American Alone	15115	5.88
Non-Hispanic Asian Alone	7670	2.99
Non-Hispanic Two Or More Races	2780	1.08
Non-Hispanic American Indian and Alaska Native Alone	925	0.36
Non-Hispanic Native Hawaiian And Pacific Islander Alone	160	0.06