- Lead
- 2,480
- Total
- 16,957
- vs nation
- R+13.2
Missouri 20th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 2,528
- Total
- 17,327
- vs nation
- R+19.0
- Lead
- 3,201
- Total
- 15,921
- vs nation
- R+22.2
- Lead
- 3,242
- Total
- 16,030
- vs nation
- R+24.1
- Lead
- 2,451
- Total
- 17,070
- vs nation
- R+21.6
- Lead
- 3,828
- Total
- 16,402
- vs nation
- R+20.9
- Lead
- 2,541
- Total
- 14,002
- vs nation
- R+18.7
- Lead
- 1,797
- Total
- 12,905
- vs nation
- R+22.4
Key facts
- 2024 presidential margin
- R+14.6MIT Election Lab
- Population
- 38,8772024 5-year
- Population density
- 639 / sq mi2024 5-year · TIGER/Line
- Land area
- 60.8 sq miTIGER/Line
- Median household income
- $72,9862024 5-year
- White (non-Hispanic)
- 73.9%2024 5-year
- Black
- 6.9%2024 5-year
- Hispanic / Latino
- 8.9%2024 5-year
- Peak Democratic margin
- D+20.1 in 1912MIT Election Lab
- Peak Republican margin
- R+52.0 in 1972MIT Election Lab
- Most similar
- State House District 33, AR · twin score 84.5
presidential history
Party record book
Missouri 20th 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. Roosevelt1936
54.2%
7,320 votes · D+9.1 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 47.7%
Republican
Richard Nixon1972
76.0%
10,029 votes · R+52.0 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 74.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1936
7,320votes
54.2% of the vote · D+9.1 · modeled estimate
Runner-up · Joe Biden, 2020 · 7,226 votes
Republican
Dwight D. Eisenhower1952
10,275votes
68.4% of the vote · R+37.0 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 10,203 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
Woodrow Wilson1912
+0.5pts D vs U.S.
Place D+20.1 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · Bill Clinton, 1992 · −12.6 pts
Republican
Thomas E. Dewey1944
+38.4pts R vs U.S.
Place R+30.9 · U.S. D+7.5 · modeled estimate
Runner-up · Wendell Willkie, 1940 · +35.0 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Missouri 20th State House District sits in the Border South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 20.1 points in 1912 and a Republican high of 52.0 points in 1972. The 2024 margin was 14.6 points.
A population of 38,877, a 74% non-Hispanic-white share, and a median household income of $72,986 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 33 and State House District 130.
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 20th State House District. Akashic. https://akashic.app/sld-lower/29020/. Accessed May 20, 2026. License: CC BY 4.0.