Texas Congressional District 13

Voters

Registered Voters: 477,118
Active Voters: 447,682 (93.8%)

Party Registration

This state's voter file does not record party registration.

Turnout by Cycle

Cycle	General	Democratic Primary	Republican Primary
2023–2024	302,018 (63.3%)	11,541 (2.4%)	91,315 (19.1%)
2021–2022	210,569 (44.1%)	12,274 (2.6%)	76,238 (16.0%)
2019–2020	269,527 (56.5%)	27,677 (5.8%)	89,213 (18.7%)
2017–2018	195,128 (40.9%)	11,632 (2.4%)	67,933 (14.2%)
2015–2016	208,978 (43.8%)	15,986 (3.4%)	93,266 (19.5%)
2013–2014	105,942 (22.2%)	4,997 (1.0%)	47,430 (9.9%)
2011–2012	169,268 (35.5%)	4,232 (0.9%)	42,265 (8.9%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

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Source: Civitech voter file snapshot as of 08/14/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Citizen Population: 732,138
Citizen Voting Age Population (CVAP): 552,672

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	541,225	73.9%
Hispanic	190,907	26.1%
White	455,926	62.3%
Black	47,310	6.5%
Asian	12,723	1.7%
American Indian / Alaska Native	2,244	0.3%
Native Hawaiian / Pacific Islander	630	0.1%
Two or More Races	2,187	0.3%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	431,416	78.1%
Hispanic	121,260	21.9%
White	368,878	66.7%
Black	40,315	7.3%
Asian	12,149	2.2%
American Indian / Alaska Native	8,493	1.5%
Native Hawaiian / Pacific Islander	544	0.1%
Two or More Races	1,631	0.3%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation.