- Lead
- 124,860
- Total
- 261,847
- vs nation
- D+49.2
Texas 13th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 166,584
- Total
- 290,027
- vs nation
- D+53.0
- Lead
- 150,875
- Total
- 238,520
- vs nation
- D+61.2
- Lead
- 122,561
- Total
- 223,031
- vs nation
- D+51.1
- Lead
- 125,493
- Total
- 218,458
- vs nation
- D+50.2
- Lead
- 102,473
- Total
- 209,748
- vs nation
- D+51.3
- Lead
- 84,770
- Total
- 182,830
- vs nation
- D+45.8
- Lead
- 83,354
- Total
- 163,381
- vs nation
- D+42.5
Key facts
- 2024 presidential margin
- D+47.7MIT Election Lab
- Population
- 946,2732024 5-year
- Population density
- 3,968 / sq mi2024 5-year · TIGER/Line
- Land area
- 239 sq miTIGER/Line
- Median household income
- $57,9082024 5-year
- White (non-Hispanic)
- 10.9%2024 5-year
- Black
- 37.3%2024 5-year
- Hispanic / Latino
- 38.5%2024 5-year
- Peak Democratic margin
- D+94.3 in 1936MIT Election Lab
- Most similar
- State Senate District 23, TX · twin score 98.1
presidential history
Party record book
Texas 13th 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
Franklin D. Roosevelt1936
96.7%
16,788 votes · D+94.3 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 95.9%
Republican
Ronald Reagan1984
29.7%
40,726 votes · D+40.3 · modeled estimate
Runner-up · Richard Nixon, 1972 · 29.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
226,853votes
78.2% of the vote · D+57.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 191,323 votes
Republican
Donald Trump2024
66,463votes
25.4% of the vote · D+47.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 60,269 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
John W. Davis1924
+100.3pts D vs U.S.
Place D+75.1 · U.S. R+25.2 · modeled estimate
Runner-up · William J. Bryan, 1908 · +92.1 pts
Republican
George H. W. Bush1992
−37.2pts R vs U.S.
Place D+42.7 · U.S. D+5.6 · modeled estimate
Runner-up · Bob Dole, 1996 · −42.5 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.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2018 | D | 57.7%134,353 | 42.3%98,414 | 232,767 |
Texas 13th State Senate District sits in the Gulf South and Southern Plains. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 94.3 points in 1936. Between 2020 and 2024 the district moved 9.8 points toward the Republican candidate; the 2024 margin was 47.7 points.
A population of 946,273, a 11% non-Hispanic-white share, and a median household income of $57,908 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 23 and State Senate District 28.
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 13th State Senate District. Akashic. https://akashic.app/sld-upper/48013/. Accessed May 20, 2026. License: CC BY 4.0.