- Lead
- 425
- Total
- 19,881
- vs nation
- D+3.6
Missouri 34th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 57
- Total
- 19,908
- vs nation
- R+4.7
- Lead
- 1,685
- Total
- 17,652
- vs nation
- R+11.6
- Lead
- 1,583
- Total
- 17,874
- vs nation
- R+12.7
- Lead
- 564
- Total
- 19,056
- vs nation
- R+10.2
- Lead
- 2,139
- Total
- 18,157
- vs nation
- R+9.3
- Lead
- 1,148
- Total
- 15,381
- vs nation
- R+8.0
- Lead
- 559
- Total
- 14,228
- vs nation
- R+12.4
Key facts
- 2024 presidential margin
- D+2.1MIT Election Lab
- Population
- 38,0772024 5-year
- Population density
- 1,561 / sq mi2024 5-year · TIGER/Line
- Land area
- 24.4 sq miTIGER/Line
- Median household income
- $83,8442024 5-year
- White (non-Hispanic)
- 73.5%2024 5-year
- Black
- 11.0%2024 5-year
- Hispanic / Latino
- 6.4%2024 5-year
- Peak Democratic margin
- D+25.4 in 1912MIT Election Lab
- Peak Republican margin
- R+43.1 in 1972MIT Election Lab
- Most similar
- State House District 136, MO · twin score 86.4
presidential history
Party record book
Missouri 34th 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
60.1%
9,298 votes · D+20.7 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 53.4%
Republican
Richard Nixon1972
71.6%
10,049 votes · R+43.1 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 69.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
10,091votes
50.8% of the vote · D+2.1 · modeled estimate
Runner-up · Joe Biden, 2020 · 9,708 votes
Republican
Dwight D. Eisenhower1952
10,306votes
63.1% of the vote · R+26.4 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 10,243 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
+5.8pts D vs U.S.
Place D+25.4 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · Kamala Harris, 2024 · +3.6 pts
Republican
Thomas E. Dewey1944
+27.5pts R vs U.S.
Place R+20.0 · U.S. D+7.5 · modeled estimate
Runner-up · Wendell Willkie, 1940 · +23.8 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of D+2.1, this St. Louis–area district sits at the razor's edge of Missouri's urban-suburban divide, making it one of the state's more closely watched legislative battlegrounds.
Across the recorded series it reached a Democratic high of 25.4 points in 1912 and a Republican high of 43.1 points in 1972. Between 2020 and 2024 the district moved 2.4 points toward the Democratic candidate; the 2024 margin was 2.1 points.
A population of 38,077, a 74% non-Hispanic-white share, and a median household income of $83,844 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 136 and State House District 31.
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 34th State House District. Akashic. https://akashic.app/sld-lower/29034/. Accessed May 20, 2026. License: CC BY 4.0.