Texas Congressional District 27

Voters

Registered Voters: 511,510
Active Voters: 488,500 (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	325,322 (63.6%)	26,659 (5.2%)	83,990 (16.4%)
2021–2022	235,608 (46.1%)	27,418 (5.4%)	69,479 (13.6%)
2019–2020	302,040 (59.0%)	51,371 (10.0%)	69,436 (13.6%)
2017–2018	221,048 (43.2%)	24,900 (4.9%)	53,099 (10.4%)
2015–2016	225,724 (44.1%)	33,883 (6.6%)	78,383 (15.3%)
2013–2014	120,438 (23.5%)	13,105 (2.6%)	37,250 (7.3%)
2011–2012	183,481 (35.9%)	15,887 (3.1%)	40,448 (7.9%)

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: 736,952
Citizen Voting Age Population (CVAP): 554,494

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	348,031	47.2%
Hispanic	388,923	52.8%
White	293,782	39.9%
Black	30,680	4.2%
Asian	9,196	1.2%
American Indian / Alaska Native	1,020	0.1%
Native Hawaiian / Pacific Islander	562	0.1%
Two or More Races	1,461	0.2%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	283,447	51.1%
Hispanic	271,053	48.9%
White	242,197	43.7%
Black	27,202	4.9%
Asian	8,327	1.5%
American Indian / Alaska Native	4,634	0.8%
Native Hawaiian / Pacific Islander	380	0.1%
Two or More Races	805	0.1%

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