Texas Congressional District 03

Voters

Registered Voters: 547,699
Active Voters: 522,799 (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	371,469 (67.8%)	22,365 (4.1%)	85,215 (15.6%)
2021–2022	253,930 (46.4%)	22,151 (4.0%)	65,247 (11.9%)
2019–2020	327,854 (59.9%)	47,370 (8.6%)	59,510 (10.9%)
2017–2018	228,709 (41.8%)	19,504 (3.6%)	51,394 (9.4%)
2015–2016	230,657 (42.1%)	22,659 (4.1%)	79,943 (14.6%)
2013–2014	107,008 (19.5%)	6,169 (1.1%)	31,079 (5.7%)
2011–2012	176,682 (32.3%)	4,432 (0.8%)	31,637 (5.8%)

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: 776,301
Citizen Voting Age Population (CVAP): 565,998

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	657,871	84.7%
Hispanic	118,431	15.3%
White	458,888	59.1%
Black	86,384	11.1%
Asian	84,646	10.9%
American Indian / Alaska Native	1,483	0.2%
Native Hawaiian / Pacific Islander	471	0.1%
Two or More Races	2,564	0.3%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	490,911	86.7%
Hispanic	75,088	13.3%
White	357,927	63.2%
Black	64,677	11.4%
Asian	61,280	10.8%
American Indian / Alaska Native	5,501	1.0%
Native Hawaiian / Pacific Islander	445	0.1%
Two or More Races	1,467	0.3%

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