Overview
- District ID
- tx-hd-040
- State
- Texas
- Chamber
- Lower chamber
- District Code
- 040
- Land Area
- 232.6 sq mi
- Water Area
- 0.58 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| Hidalgo County | 232.56 sq mi | 100.0% | 14.8% |
Showing all 1 county
Places
Showing all 13 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 | 120,258 | 64.8% | 15.7% | 84.1% |
| TX District 34 | 65,197 | 35.2% | 8.5% | 15.9% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 95,355
- Active Voters
- 91,059 (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 | 47,378 (49.7%) | 7,938 (8.3%) | 3,363 (3.5%) |
| 2021–2022 | 29,873 (31.3%) | 11,306 (11.9%) | 2,843 (3.0%) |
| 2019–2020 | 43,604 (45.7%) | 12,790 (13.4%) | 2,125 (2.2%) |
| 2017–2018 | 29,337 (30.8%) | 11,926 (12.5%) | 1,228 (1.3%) |
| 2015–2016 | 31,814 (33.4%) | 11,906 (12.5%) | 2,980 (3.1%) |
| 2013–2014 | 13,885 (14.6%) | 10,666 (11.2%) | 808 (0.8%) |
| 2011–2012 | 23,097 (24.2%) | 9,668 (10.1%) | 837 (0.9%) |
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.
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
- 194,599 (± 5,663)
- Median Age
- 29.8
- Median Household Income
- $53,514 (± $3,208)
- High School Graduate or Higher (age 25+)
- 70.5%
- Bachelor's Degree or Higher (age 25+)
- 18.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 60,520 | 31.1% |
| 18 to 64 | 114,199 | 58.7% |
| 65 and over | 19,880 | 10.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 179,927 | 92.5% |
| White, not Hispanic | 9,933 | 5.1% |
| Black, not Hispanic | 1,234 | 0.6% |
| Asian, not Hispanic | 2,354 | 1.2% |
| American Indian / Alaska Native, not Hispanic | 115 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 80 | 0.0% |
| Some other race, not Hispanic | 511 | 0.3% |
| Two or more races, not Hispanic | 445 | 0.2% |
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
- 162,486
- Citizen Voting Age Population (CVAP)
- 103,871
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 13,147 | 8.1% |
| Hispanic | 149,337 | 91.9% |
| White | 9,971 | 6.1% |
| Black | 1,267 | 0.8% |
| Asian | 1,325 | 0.8% |
| American Indian / Alaska Native | 103 | 0.1% |
| Native Hawaiian / Pacific Islander | 81 | 0.0% |
| Two or More Races | 101 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 9,652 | 9.3% |
| Hispanic | 94,220 | 90.7% |
| White | 7,366 | 7.1% |
| Black | 878 | 0.8% |
| Asian | 985 | 0.9% |
| American Indian / Alaska Native | 234 | 0.2% |
| Native Hawaiian / Pacific Islander | 85 | 0.1% |
| Two or More Races | 98 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).