Overview
- District ID
- tx-sd-020
- State
- Texas
- Chamber
- Upper chamber (state senate)
- District Code
- 020
- Land Area
- 3,235.6 sq mi
- Water Area
- 63.2 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 4 counties
Places
Showing top 25 of 58 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| TX District 15 | 589,239 | 64.0% | 76.8% | 90.1% |
| TX District 27 | 286,338 | 31.1% | 37.3% | 9.5% |
| TX District 34 | 44,571 | 4.8% | 5.8% | 0.5% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 497,698
- Active Voters
- 473,169 (95.1%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 255,450 (51.3%) | 43,722 (8.8%) | 29,691 (6.0%) |
| 2021–2022 | 172,741 (34.7%) | 45,681 (9.2%) | 24,988 (5.0%) |
| 2019–2020 | 242,956 (48.8%) | 67,002 (13.5%) | 19,784 (4.0%) |
| 2017–2018 | 167,824 (33.7%) | 45,816 (9.2%) | 13,364 (2.7%) |
| 2015–2016 | 180,804 (36.3%) | 55,658 (11.2%) | 29,268 (5.9%) |
| 2013–2014 | 82,965 (16.7%) | 36,762 (7.4%) | 10,403 (2.1%) |
| 2011–2012 | 135,983 (27.3%) | 33,529 (6.7%) | 10,643 (2.1%) |
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.
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
- 932,859 (± 5,814)
- Median Age
- 32.9
- Median Household Income
- $58,508 (± $1,040)
- High School Graduate or Higher (age 25+)
- 76.8%
- Bachelor's Degree or Higher (age 25+)
- 22.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 260,006 | 27.9% |
| 18 to 64 | 548,296 | 58.8% |
| 65 and over | 124,557 | 13.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 773,640 | 82.9% |
| White, not Hispanic | 119,157 | 12.8% |
| Black, not Hispanic | 15,048 | 1.6% |
| Asian, not Hispanic | 14,881 | 1.6% |
| American Indian / Alaska Native, not Hispanic | 907 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 432 | 0.0% |
| Some other race, not Hispanic | 1,669 | 0.2% |
| Two or more races, not Hispanic | 7,125 | 0.8% |
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
- 808,947
- Citizen Voting Age Population (CVAP)
- 556,962
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 153,420 | 19.0% |
| Hispanic | 655,526 | 81.0% |
| White | 120,738 | 14.9% |
| Black | 15,154 | 1.9% |
| Asian | 11,109 | 1.4% |
| American Indian / Alaska Native | 888 | 0.1% |
| Native Hawaiian / Pacific Islander | 463 | 0.1% |
| Two or More Races | 424 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 124,763 | 22.4% |
| Hispanic | 432,197 | 77.6% |
| White | 100,632 | 18.1% |
| Black | 12,120 | 2.2% |
| Asian | 9,221 | 1.7% |
| American Indian / Alaska Native | 2,075 | 0.4% |
| Native Hawaiian / Pacific Islander | 430 | 0.1% |
| Two or More Races | 312 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).