Texas Congressional District 15

Voters

Registered Voters: 426,205
Active Voters: 407,102 (95.5%)

Party Registration

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

Turnout by Cycle

Cycle	General	Democratic Primary	Republican Primary
2023–2024	227,884 (53.5%)	32,048 (7.5%)	38,682 (9.1%)
2021–2022	153,600 (36.0%)	39,329 (9.2%)	32,523 (7.6%)
2019–2020	212,546 (49.9%)	52,245 (12.3%)	28,215 (6.6%)
2017–2018	147,894 (34.7%)	39,754 (9.3%)	18,100 (4.2%)
2015–2016	162,327 (38.1%)	50,824 (11.9%)	32,725 (7.7%)
2013–2014	79,602 (18.7%)	35,558 (8.3%)	12,830 (3.0%)
2011–2012	123,257 (28.9%)	39,269 (9.2%)	12,463 (2.9%)

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: 673,336
Citizen Voting Age Population (CVAP): 455,101

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	142,823	21.2%
Hispanic	530,514	78.8%
White	120,017	17.8%
Black	10,177	1.5%
Asian	7,049	1.0%
American Indian / Alaska Native	662	0.1%
Native Hawaiian / Pacific Islander	246	0.0%
Two or More Races	539	0.1%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	115,504	25.4%
Hispanic	339,596	74.6%
White	98,108	21.6%
Black	8,600	1.9%
Asian	6,391	1.4%
American Indian / Alaska Native	1,875	0.4%
Native Hawaiian / Pacific Islander	242	0.1%
Two or More Races	350	0.1%

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