Texas 40th State House District
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | +19.8% |
| 2008 | +49.6% |
| 2012 | +51.5% |
| 2016 | +45.0% |
| 2020 | +21.2% |
| 2024 | −0.0% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| R | 49.5%Harris23,250 | 49.6%Trump23,270 | 0.9% | R+0.04 | R+21.2 | D+1.4 | 46,947 | |
| D | 60.3%Biden27,292 | 39.1%Trump17,709 | 0.6% | D+21.2 | R+23.8 | D+16.7 | 45,271 | |
| D | 70.5%Clinton24,386 | 25.5%Trump8,828 | 4.0% | D+45.0 | R+6.5 | D+42.9 | 34,584 | |
| D | 75.2%Obama20,606 | 23.7%Romney6,496 | 1.1% | D+51.5 | D+1.9 | D+47.7 | 27,395 | |
| D | 74.3%Obama19,081 | 24.7%McCain6,341 | 1.0% | D+49.6 | D+29.8 | D+42.3 | 25,682 | |
| D | 59.7%Kerry12,656 | 39.9%Bush8,459 | 0.3% | D+19.8 | — | D+22.3 | 21,185 |
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Texas House District 40, anchored in the Rio Grande Valley, recorded a zero-point presidential margin in 2024 — a striking shift in a region that once delivered lopsided Democratic margins and now draws serious attention from both parties.
Across the recorded series it reached a Democratic high of 51.5 points in 2012 and a Republican high of 0.0 points in 2024. Between 2020 and 2024 the district moved 21.2 points toward the Republican candidate; the 2024 margin was 0.0 points.
A population of 185,455, a 5% non-Hispanic-white share, and a median household income of $53,514 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 39 and State House District 35.
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Texas 40th State House District. Akashic. https://akashic.app/sld-lower/48040/. Accessed May 20, 2026. License: CC BY 4.0.