Texas Congressional District 01

Voters

Registered Voters: 498,947
Active Voters: 479,340 (96.1%)

Party Registration

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

Turnout by Cycle

Cycle	General	Democratic Primary	Republican Primary
2023–2024	323,580 (64.9%)	15,346 (3.1%)	104,409 (20.9%)
2021–2022	229,427 (46.0%)	18,102 (3.6%)	88,200 (17.7%)
2019–2020	294,237 (59.0%)	25,193 (5.0%)	81,229 (16.3%)
2017–2018	217,410 (43.6%)	14,470 (2.9%)	70,889 (14.2%)
2015–2016	234,918 (47.1%)	20,992 (4.2%)	110,086 (22.1%)
2013–2014	127,932 (25.6%)	8,258 (1.7%)	54,832 (11.0%)
2011–2012	200,181 (40.1%)	9,774 (2.0%)	60,311 (12.1%)

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: 743,669
Citizen Voting Age Population (CVAP): 557,524

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	635,242	85.4%
Hispanic	108,428	14.6%
White	470,688	63.3%
Black	131,141	17.6%
Asian	6,053	0.8%
American Indian / Alaska Native	1,649	0.2%
Native Hawaiian / Pacific Islander	543	0.1%
Two or More Races	2,615	0.4%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	497,769	89.3%
Hispanic	59,753	10.7%
White	376,770	67.6%
Black	104,551	18.8%
Asian	5,686	1.0%
American Indian / Alaska Native	10,160	1.8%
Native Hawaiian / Pacific Islander	336	0.1%
Two or More Races	1,148	0.2%

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