Cameron County, Texas Citizen Voting-age Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on March 26, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for Cameron County, TX was 236.18K. The Hispanic or Latino of All Races ethnicity group had the highest citizen voting-age population (202.69K) and constituted 85.82% of the total.

The Non-Hispanic White Alone ethnicity group had the second highest citizen voting-age population (29.81K) and constituted 12.62% of the total. The Non-Hispanic Asian Alone ethnicity group had the third highest (1.46K), constituting 0.62% 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:

Cameron County, Texas Citizen Voting-age Population By Race and Ethnicity in 2021

Hispanic or Latino of All Races

Non-Hispanic White Alone

Non-Hispanic Asian Alone

Non-Hispanic Black Alone

Non-Hispanic Two Or More Races

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Cameron County, Texas Citizen Voting-age Population By Race and Ethnicity in 2021

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Hispanic or Latino of All Races	202690	85.82
Non-Hispanic White Alone	29805	12.62
Non-Hispanic Asian Alone	1455	0.62
Non-Hispanic Black or African American Alone	1170	0.50
Non-Hispanic Two Or More Races	620	0.26
Non-Hispanic American Indian and Alaska Native Alone	305	0.13
Non-Hispanic Native Hawaiian And Pacific Islander Alone	125	0.05