- Lead
- 10,812
- Total
- 255,366
- vs nation
- R+2.8
Texas 20th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 25,975
- Total
- 266,723
- vs nation
- D+5.3
- Lead
- 51,181
- Total
- 215,977
- vs nation
- D+21.6
- Lead
- 40,840
- Total
- 185,882
- vs nation
- D+18.1
- Lead
- 34,834
- Total
- 184,621
- vs nation
- D+11.6
- Lead
- 3,006
- Total
- 179,203
- vs nation
- D+0.8
- Lead
- 15,885
- Total
- 163,765
- vs nation
- D+9.2
- Lead
- 39,108
- Total
- 148,871
- vs nation
- D+17.7
Key facts
- 2024 presidential margin
- R+4.2MIT Election Lab
- Population
- 920,1392024 5-year
- Population density
- 284 / sq mi2024 5-year · TIGER/Line
- Land area
- 3,236 sq miTIGER/Line
- Median household income
- $58,5082024 5-year
- White (non-Hispanic)
- 13.3%2024 5-year
- Black
- 1.6%2024 5-year
- Hispanic / Latino
- 82.3%2024 5-year
- Peak Democratic margin
- D+78.9 in 1880MIT Election Lab
- Peak Republican margin
- R+9.1 in 1972MIT Election Lab
- Most similar
- State Senate District 27, TX · twin score 97.3
presidential history
Party record book
Texas 20th State Senate 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
Winfield S. Hancock1880
89.4%
1,101 votes · D+78.9 · modeled estimate
Runner-up · Grover Cleveland, 1884 · 86.2%
Republican
Richard Nixon1972
54.4%
56,197 votes · R+9.1 · modeled estimate
Runner-up · Donald Trump, 2024 · 51.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
144,889votes
54.3% of the vote · D+9.7 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 129,290 votes
Republican
Donald Trump2024
131,906votes
51.7% of the vote · R+4.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 118,914 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
Alton B. Parker1904
+86.3pts D vs U.S.
Place D+66.6 · U.S. R+19.7 · modeled estimate
Runner-up · William J. Bryan, 1908 · +71.7 pts
Republican
Donald Trump2024
+2.8pts R vs U.S.
Place R+4.2 · U.S. R+1.5 · modeled estimate
Runner-up · George W. Bush, 2004 · −0.8 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+4.2 in 2024 and D+18.9 in 2008, switching sides at least once in between. No racial group formed a majority of its residents in the 2024 ACS 5-year, with Hispanic or Latino residents at 86.6%.
Across the recorded series it reached a Democratic high of 78.9 points in 1880 and a Republican high of 9.1 points in 1972. Between 2020 and 2024 the district moved 14.0 points toward the Republican candidate; the 2024 margin was 4.2 points.
A population of 920,139, a 13% non-Hispanic-white share, and a median household income of $58,508 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 27 and State Senate District 21.
The state-senate 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 20th State Senate District. Akashic. https://akashic.app/sld-upper/48020/. Accessed May 20, 2026. License: CC BY 4.0.