Texas State Senate District 15

State Legislative District Profile (Upper Chamber)

Overview

District ID
tx-sd-015
State
Texas
Chamber
Upper chamber (state senate)
District Code
015
Land Area
252.1 sq mi
Water Area
7.78 sq mi

Boundary

Boundary of Texas State Senate District 15

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Harris County252.09 sq mi100.0%14.8%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Houston city146.50 sq mi58.1%22.9%
Atascocita CDP17.49 sq mi6.9%73.2%
Humble city6.67 sq mi2.6%67.3%
Bellaire city3.60 sq mi1.4%100.0%
West University Place city2.00 sq mi0.8%100.0%
Southside Place city0.25 sq mi0.1%100.0%

Showing all 6 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 18504,12253.2%65.7%59.6%
TX District 7220,67523.3%28.8%11.6%
TX District 268,6827.2%9.0%10.4%
TX District 2963,3746.7%8.3%8.7%
TX District 3852,1305.5%6.8%6.8%
TX District 938,8354.1%5.1%3.0%

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

Voters

Registered Voters
557,582
Active Voters
508,148 (91.1%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–2024335,607 (60.2%)53,421 (9.6%)32,871 (5.9%)
2021–2022240,341 (43.1%)47,684 (8.6%)29,813 (5.3%)
2019–2020325,114 (58.3%)83,427 (15.0%)24,705 (4.4%)
2017–2018236,741 (42.5%)42,822 (7.7%)23,126 (4.1%)
2015–2016235,606 (42.3%)49,923 (9.0%)46,076 (8.3%)
2013–2014113,746 (20.4%)11,470 (2.1%)16,276 (2.9%)
2011–2012180,007 (32.3%)13,133 (2.4%)18,577 (3.3%)

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
997,580 (± 11,067)
Median Age
33.9
Median Household Income
$81,979 (± $1,697)
High School Graduate or Higher (age 25+)
84.4%
Bachelor's Degree or Higher (age 25+)
41.8%

Population by Age

GroupPeopleShare
Under 18248,21724.9%
18 to 64642,74364.4%
65 and over106,62010.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)418,26541.9%
White, not Hispanic269,42527.0%
Black, not Hispanic197,00719.7%
Asian, not Hispanic75,5717.6%
American Indian / Alaska Native, not Hispanic1,1950.1%
Native Hawaiian / Pacific Islander, not Hispanic5170.1%
Some other race, not Hispanic4,1530.4%
Two or more races, not Hispanic31,4473.2%

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
837,108
Citizen Voting Age Population (CVAP)
607,118

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic545,04765.1%
Hispanic292,06034.9%
White266,14831.8%
Black194,41323.2%
Asian58,7207.0%
American Indian / Alaska Native1,2390.1%
Native Hawaiian / Pacific Islander5150.1%
Two or More Races4,1560.5%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic430,14370.8%
Hispanic176,98029.2%
White223,24636.8%
Black150,53124.8%
Asian50,4118.3%
American Indian / Alaska Native4,8610.8%
Native Hawaiian / Pacific Islander3630.1%
Two or More Races2,3730.4%

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