Texas Congressional District 30

Voters

Registered Voters: 439,599
Active Voters: 412,295 (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	243,694 (55.4%)	46,165 (10.5%)	15,070 (3.4%)
2021–2022	164,938 (37.5%)	51,721 (11.8%)	12,624 (2.9%)
2019–2020	238,485 (54.3%)	72,785 (16.6%)	10,914 (2.5%)
2017–2018	173,837 (39.5%)	42,450 (9.7%)	8,772 (2.0%)
2015–2016	175,905 (40.0%)	52,789 (12.0%)	17,202 (3.9%)
2013–2014	92,193 (21.0%)	25,212 (5.7%)	7,264 (1.7%)
2011–2012	154,941 (35.2%)	22,750 (5.2%)	6,240 (1.4%)

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: 697,886
Citizen Voting Age Population (CVAP): 508,635

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	475,391	68.1%
Hispanic	222,493	31.9%
White	130,994	18.8%
Black	305,253	43.7%
Asian	20,796	3.0%
American Indian / Alaska Native	1,099	0.2%
Native Hawaiian / Pacific Islander	73	0.0%
Two or More Races	2,845	0.4%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	379,368	74.6%
Hispanic	129,270	25.4%
White	117,202	23.0%
Black	238,613	46.9%
Asian	18,526	3.6%
American Indian / Alaska Native	5,134	1.0%
Native Hawaiian / Pacific Islander	71	0.0%
Two or More Races	1,762	0.3%

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