- Lead
- 10,185
- Total
- 13,940
- vs nation
- D+74.5
Missouri 84th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 12,918
- Total
- 16,902
- vs nation
- D+72.0
- Lead
- 13,254
- Total
- 17,509
- vs nation
- D+73.6
- Lead
- 15,173
- Total
- 19,321
- vs nation
- D+74.7
- Lead
- 17,058
- Total
- 21,211
- vs nation
- D+73.1
- Lead
- 14,424
- Total
- 19,030
- vs nation
- D+78.3
- Lead
- 11,801
- Total
- 16,351
- vs nation
- D+71.7
- Lead
- 11,319
- Total
- 16,043
- vs nation
- D+62.0
Key facts
- 2024 presidential margin
- D+73.1MIT Election Lab
- Population
- 37,5502024 5-year
- Population density
- 4,038 / sq mi2024 5-year · TIGER/Line
- Land area
- 9.3 sq miTIGER/Line
- Median household income
- $56,7402024 5-year
- White (non-Hispanic)
- 32.3%2024 5-year
- Black
- 53.6%2024 5-year
- Hispanic / Latino
- 3.9%2024 5-year
- Peak Democratic margin
- D+80.4 in 2008MIT Election Lab
- Most similar
- State House District 78, MO · twin score 99.6
presidential history
Party record book
Missouri 84th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1880) · 37 presidential cycles · 37 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Barack Obama2008
89.8%
19,048 votes · D+80.4 · modeled estimate
Runner-up · Barack Obama, 2012 · 88.2%
Republican
Warren G. Harding1920
44.1%
13,235 votes · D+6.6 · modeled estimate
Runner-up · William McKinley, 1896 · 42.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1936
37,267votes
76.3% of the vote · D+55.1 · modeled estimate
Runner-up · Adlai Stevenson, 1952 · 33,811 votes
Republican
Wendell Willkie1940
13,647votes
28.9% of the vote · D+42.0 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 13,235 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 Kerry2004
+78.3pts D vs U.S.
Place D+75.8 · U.S. R+2.5 · modeled estimate
Runner-up · Barack Obama, 2012 · +74.7 pts
Republican
William H. Taft1912
−8.9pts R vs U.S.
Place D+28.5 · U.S. D+19.5 · modeled estimate
Runner-up · Charles E. Hughes, 1916 · −18.2 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 |
|---|---|---|---|---|
| 2024 | D | 83.8%11,325 | 16.2%2,194 | 13,519 |
| 2020 | D | 81.9%13,635 | 18.1%3,017 | 16,652 |
With a 2024 presidential margin of D+73.1, this district ranks among the most lopsided in the state, reflecting a dense, heavily urban core where one-party dominance has remained consistent across recent election cycles.
Across the recorded series it reached a Democratic high of 80.4 points in 2008. Between 2020 and 2024 the district moved 3.4 points toward the Republican candidate; the 2024 margin was 73.1 points.
A population of 37,550, a 32% non-Hispanic-white share, and a median household income of $56,740 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 78 and State House District 79.
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 84th State House District. Akashic. https://akashic.app/sld-lower/29084/. Accessed May 20, 2026. License: CC BY 4.0.