- Lead
- 13,275
- Total
- 19,341
- vs nation
- R+67.2
Missouri 143rd State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 12,671
- Total
- 19,331
- vs nation
- R+70.0
- Lead
- 11,543
- Total
- 18,827
- vs nation
- R+63.4
- Lead
- 7,981
- Total
- 18,225
- vs nation
- R+47.6
- Lead
- 6,206
- Total
- 18,455
- vs nation
- R+40.9
- Lead
- 6,122
- Total
- 18,372
- vs nation
- R+30.9
- Lead
- 4,179
- Total
- 16,245
- vs nation
- R+26.2
- Lead
- 616
- Total
- 15,328
- vs nation
- R+12.5
Key facts
- 2024 presidential margin
- R+68.6MIT Election Lab
- Population
- 38,8252024 5-year
- Population density
- 19 / sq mi2024 5-year · TIGER/Line
- Land area
- 2,036 sq miTIGER/Line
- Median household income
- $53,5042024 5-year
- White (non-Hispanic)
- 90.5%2024 5-year
- Black
- 2.2%2024 5-year
- Hispanic / Latino
- 2.0%2024 5-year
- Peak Democratic margin
- D+42.6 in 1880MIT Election Lab
- Peak Republican margin
- R+68.6 in 2024MIT Election Lab
- Most similar
- State House District 6, MO · twin score 98.5
presidential history
Party record book
Missouri 143rd 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
Samuel J. Tilden1876
69.5%
2,135 votes · D+39.0 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 69.1%
Republican
Donald Trump2024
83.9%
16,231 votes · R+68.6 · modeled estimate
Runner-up · Donald Trump, 2020 · 82.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1932
8,379votes
69.1% of the vote · D+38.7 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 7,749 votes
Republican
Donald Trump2024
16,231votes
83.9% of the vote · R+68.6 · modeled estimate
Runner-up · Donald Trump, 2020 · 15,887 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
+40.7pts D vs U.S.
Place D+15.5 · U.S. R+25.2 · modeled estimate
Runner-up · Alton B. Parker, 1904 · +33.1 pts
Republican
Donald Trump2020
+70.0pts R vs U.S.
Place R+65.5 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2024 · +67.2 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 | R | 20.2%2,905 | 79.8%11,479 | 14,384 |
Missouri 143rd State House District sits in the Border South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 42.6 points in 1880 and a Republican high of 68.6 points in 2024. Between 2020 and 2024 the district moved 3.1 points toward the Republican candidate; the 2024 margin was 68.6 points.
A population of 38,825, a 91% non-Hispanic-white share, and a median household income of $53,504 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 6 and State House District 142.
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 →
Missouri 143rd State House District. Akashic. https://akashic.app/sld-lower/29143/. Accessed May 20, 2026. License: CC BY 4.0.