- Lead
- 41,842
- Total
- 77,259
- vs nation
- R+52.7
Texas 30th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 38,040
- Total
- 76,557
- vs nation
- R+54.1
- Lead
- 32,817
- Total
- 68,039
- vs nation
- R+50.3
- Lead
- 27,976
- Total
- 64,421
- vs nation
- R+47.3
- Lead
- 24,428
- Total
- 65,990
- vs nation
- R+44.3
- Lead
- 26,916
- Total
- 65,610
- vs nation
- R+38.6
- Lead
- 22,381
- Total
- 61,844
- vs nation
- R+36.7
- Lead
- 10,294
- Total
- 56,907
- vs nation
- R+26.6
Key facts
- 2024 presidential margin
- R+54.2MIT Election Lab
- Population
- 189,7352024 5-year
- Population density
- 34 / sq mi2024 5-year · TIGER/Line
- Land area
- 5,535 sq miTIGER/Line
- Median household income
- $65,6492024 5-year
- White (non-Hispanic)
- 48.9%2024 5-year
- Black
- 7.0%2024 5-year
- Hispanic / Latino
- 40.2%2024 5-year
- Peak Democratic margin
- D+81.8 in 1932MIT Election Lab
- Peak Republican margin
- R+54.2 in 2024MIT Election Lab
- Most similar
- State House District 88, TX · twin score 94.0
presidential history
Party record book
Texas 30th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1932
90.7%
14,972 votes · D+81.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 80.9%
Republican
Donald Trump2024
76.7%
59,261 votes · R+54.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 74.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Michael Dukakis1988
24,207votes
41.1% of the vote · R+17.0 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 23,366 votes
Republican
Donald Trump2024
59,261votes
76.7% of the vote · R+54.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 56,890 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Franklin D. Roosevelt1932
+64.0pts D vs U.S.
Place D+81.8 · U.S. D+17.8 · modeled estimate
Runner-up · John W. Davis, 1924 · +62.8 pts
Republican
Donald Trump2020
+54.1pts R vs U.S.
Place R+49.7 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2024 · +52.7 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
The district recorded a Republican presidential margin of R+54.1 in 2024, compared with R+37.0 in 2008. About 191,000 residents lived here, with White alone at 59.4% in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 81.8 points in 1932 and a Republican high of 54.2 points in 2024. Between 2020 and 2024 the district moved 4.5 points toward the Republican candidate; the 2024 margin was 54.2 points.
A population of 189,735, a 49% non-Hispanic-white share, and a median household income of $65,649 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 88 and State House District 72.
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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Texas 30th State House District. Akashic. https://akashic.app/sld-lower/48030/. Accessed May 20, 2026. License: CC BY 4.0.