- Lead
- 55,742
- Total
- 85,425
- vs nation
- R+63.8
Texas 18th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 51,595
- Total
- 78,981
- vs nation
- R+69.8
- Lead
- 41,565
- Total
- 64,232
- vs nation
- R+66.8
- Lead
- 35,516
- Total
- 60,062
- vs nation
- R+63.0
- Lead
- 29,021
- Total
- 57,160
- vs nation
- R+58.0
- Lead
- 23,020
- Total
- 56,105
- vs nation
- R+38.6
- Lead
- 15,310
- Total
- 50,168
- vs nation
- R+31.0
- Lead
- 3,451
- Total
- 44,695
- vs nation
- R+16.2
Key facts
- 2024 presidential margin
- R+65.3MIT Election Lab
- Population
- 202,9902024 5-year
- Population density
- 75 / sq mi2024 5-year · TIGER/Line
- Land area
- 2,701 sq miTIGER/Line
- Median household income
- $73,1602024 5-year
- White (non-Hispanic)
- 64.9%2024 5-year
- Black
- 6.2%2024 5-year
- Hispanic / Latino
- 24.2%2024 5-year
- Peak Democratic margin
- D+86.8 in 1932MIT Election Lab
- Peak Republican margin
- R+65.3 in 2020MIT Election Lab
- Most similar
- State House District 2, TX · twin score 95.7
presidential history
Party record book
Texas 18th 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
93.2%
6,218 votes · D+86.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 92.9%
Republican
Donald Trump2024
82.4%
70,364 votes · R+65.3 · modeled estimate
Runner-up · Donald Trump, 2020 · 82.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Michael Dukakis1988
20,426votes
50.7% of the vote · D+1.7 · modeled estimate
Runner-up · Bill Clinton, 1996 · 17,791 votes
Republican
Donald Trump2024
70,364votes
82.4% of the vote · R+65.3 · modeled estimate
Runner-up · Donald Trump, 2020 · 64,897 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
James M. Cox1920
+80.4pts D vs U.S.
Place D+54.2 · U.S. R+26.2 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1940 · +69.2 pts
Republican
Donald Trump2020
+69.8pts R vs U.S.
Place R+65.3 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2016 · +66.8 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+65.3 in 2024, compared with R+50.8 in 2008. The district had about 242,000 residents, 67.3% White alone in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 86.8 points in 1932 and a Republican high of 65.3 points in 2020. The 2024 margin was 65.3 points.
A population of 202,990, a 65% non-Hispanic-white share, and a median household income of $73,160 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 2 and State House District 83.
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 18th State House District. Akashic. https://akashic.app/sld-lower/48018/. Accessed May 20, 2026. License: CC BY 4.0.