Texas 78th State House District
Presidential margin, 2004–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2004 | −8.3% |
| 2008 | +11.0% |
| 2012 | +9.7% |
| 2016 | +24.5% |
| 2020 | +23.6% |
| 2024 | +9.1% |
| Year | Won | Democratic | Republican | Other | Margin | Swing | vs U.S. | Total |
|---|---|---|---|---|---|---|---|---|
| D | 53.8%Harris38,960 | 44.7%Trump32,396 | 1.5% | D+9.1 | R+14.5 | D+10.5 | 72,459 | |
| D | 61.3%Biden46,232 | 37.7%Trump28,419 | 1.1% | D+23.6 | R+0.8 | D+19.2 | 75,459 | |
| D | 58.9%Clinton36,205 | 34.5%Trump21,181 | 6.6% | D+24.5 | D+14.7 | D+22.4 | 61,433 | |
| D | 54.1%Obama28,424 | 44.4%Romney23,323 | 1.5% | D+9.7 | R+1.3 | D+5.9 | 52,538 | |
| D | 55.2%Obama30,682 | 44.3%McCain24,590 | 0.5% | D+11.0 | D+19.3 | D+3.7 | 55,567 | |
| R | 45.8%Kerry22,927 | 54.2%Bush27,095 | 0.0% | R+8.3 | — | R+5.9 | 50,022 |
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Anchored in the Houston metro, District 78 tilts Democratic at the presidential level by a margin that has made it a reliable indicator of shifting suburban alignment in Harris County's legislative delegation.
Across the recorded series it reached a Democratic high of 24.5 points in 2016 and a Republican high of 8.3 points in 2004. Between 2020 and 2024 the district moved 14.5 points toward the Republican candidate; the 2024 margin was 9.1 points.
A population of 203,786, a 19% non-Hispanic-white share, and a median household income of $71,231 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 79 and State House District 41.
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 78th State House District. Akashic. https://akashic.app/sld-lower/48078/. Accessed May 20, 2026. License: CC BY 4.0.