Williamson County, Texas Citizen Voting-age Population By Race and Ethnicity in 2017 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen voting-age population for Williamson County, TX was 342.93K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (235.59K) and constituted 68.70% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (65.46K) and constituted 19.09% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (21.08K), constituting 6.15% 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 2017

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 2017

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	235585	68.70
Hispanic or Latino of All Races	65460	19.09
Non-Hispanic Black or African American Alone	21075	6.15
Non-Hispanic Asian Alone	13260	3.87
Non-Hispanic Two Or More Races	6505	1.90
Non-Hispanic American Indian and Alaska Native Alone	800	0.23
Non-Hispanic Native Hawaiian And Pacific Islander Alone	240	0.07