Texas State Senate District 27

State Legislative District Profile (Upper Chamber)

Overview

District ID
tx-sd-027
State
Texas
Chamber
Upper chamber (state senate)
District Code
027
Land Area
6,379.3 sq mi
Water Area
1,571.1 sq mi

Boundary

Boundary of Texas State Senate District 27

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Kenedy County1458.56 sq mi22.9%100.0%
Cameron County891.71 sq mi14.0%100.0%
Kleberg County881.31 sq mi13.8%100.0%
Bee County880.24 sq mi13.8%100.0%
San Patricio County693.44 sq mi10.9%100.0%
Willacy County590.60 sq mi9.3%100.0%
Nueces County532.21 sq mi8.3%63.4%
Hidalgo County450.94 sq mi7.1%28.7%

Showing all 8 counties

Places

PlaceOverlapShare of district landShare of place land
Brownsville city131.53 sq mi2.1%98.6%
Corpus Christi city61.23 sq mi1.0%36.8%
Harlingen city40.13 sq mi0.6%99.6%
Ingleside city16.82 sq mi0.3%99.6%
Weslaco city16.38 sq mi0.3%96.8%
San Benito city15.79 sq mi0.2%99.9%
Kingsville city13.88 sq mi0.2%100.0%
Portland city12.49 sq mi0.2%100.0%
Mercedes city11.80 sq mi0.2%100.0%
San Juan CDP11.64 sq mi0.2%100.0%
Skidmore CDP10.55 sq mi0.2%100.0%
Aransas Pass city9.24 sq mi0.1%70.0%
Port Aransas city8.94 sq mi0.1%99.7%
Donna city8.29 sq mi0.1%100.0%
Alamo city7.51 sq mi0.1%98.1%
La Tina Ranch CDP7.03 sq mi0.1%100.0%
Port Isabel city6.79 sq mi0.1%100.0%
Beeville city6.38 sq mi0.1%100.0%
Pettus CDP5.82 sq mi0.1%100.0%
Yznaga CDP5.45 sq mi0.1%100.0%
Pawnee CDP5.25 sq mi0.1%100.0%
Port Mansfield CDP4.94 sq mi0.1%100.0%
Laguna Vista town4.83 sq mi0.1%100.0%
Laureles CDP4.80 sq mi0.1%100.0%
Tierra Grande CDP4.71 sq mi0.1%100.0%

Showing top 25 of 142 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
TX District 34722,41678.3%94.2%64.4%
TX District 27166,64218.1%21.7%33.0%
TX District 1533,0933.6%4.3%2.6%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
517,910
Active Voters
493,399 (95.3%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–2024266,120 (51.4%)39,156 (7.6%)38,955 (7.5%)
2021–2022176,619 (34.1%)42,391 (8.2%)28,957 (5.6%)
2019–2020245,265 (47.4%)66,049 (12.8%)23,915 (4.6%)
2017–2018165,497 (32.0%)35,987 (6.9%)14,516 (2.8%)
2015–2016182,848 (35.3%)59,056 (11.4%)30,291 (5.8%)
2013–201484,187 (16.3%)34,667 (6.7%)10,430 (2.0%)
2011–2012138,625 (26.8%)43,862 (8.5%)11,478 (2.2%)

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.

Browse the voter list for this district (premium access; sign-in required)

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 Population
936,113 (± 5,812)
Median Age
32.5
Median Household Income
$56,622 (± $1,282)
High School Graduate or Higher (age 25+)
73.4%
Bachelor's Degree or Higher (age 25+)
19.8%

Population by Age

GroupPeopleShare
Under 18270,42928.9%
18 to 64538,33257.5%
65 and over127,35213.6%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)782,88583.6%
White, not Hispanic125,82013.4%
Black, not Hispanic9,7471.0%
Asian, not Hispanic6,9750.7%
American Indian / Alaska Native, not Hispanic7070.1%
Native Hawaiian / Pacific Islander, not Hispanic2620.0%
Some other race, not Hispanic1,9440.2%
Two or more races, not Hispanic7,7730.8%

Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.

Citizen Voting Age Population

Total Citizen Population
815,199
Citizen Voting Age Population (CVAP)
551,762

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic148,45818.2%
Hispanic666,73581.8%
White127,48315.6%
Black9,7311.2%
Asian4,8840.6%
American Indian / Alaska Native7030.1%
Native Hawaiian / Pacific Islander2610.0%
Two or More Races8120.1%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic121,18922.0%
Hispanic430,56778.0%
White104,55518.9%
Black9,4121.7%
Asian4,4860.8%
American Indian / Alaska Native2,2470.4%
Native Hawaiian / Pacific Islander2630.0%
Two or More Races3550.1%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).