Williamson County, Texas Citizen Voting-age Population By Race and Ethnicity in 2016 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2016, the citizen voting-age population for Williamson County, TX was 329.56K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (229.57K) and constituted 69.66% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (60.96K) and constituted 18.50% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (20.53K), constituting 6.23% 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 2016

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 2016

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	229570	69.66
Hispanic or Latino of All Races	60955	18.50
Non-Hispanic Black or African American Alone	20525	6.23
Non-Hispanic Asian Alone	12320	3.74
Non-Hispanic Two Or More Races	5360	1.63
Non-Hispanic American Indian and Alaska Native Alone	725	0.22
Non-Hispanic Native Hawaiian And Pacific Islander Alone	100	0.03