- Lead
- 6,052
- Total
- 22,975
- vs nation
- D+27.8
Missouri 90th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 6,099
- Total
- 23,861
- vs nation
- D+21.1
- Lead
- 3,210
- Total
- 22,325
- vs nation
- D+12.3
- Lead
- 2,684
- Total
- 22,622
- vs nation
- D+8.0
- Lead
- 4,316
- Total
- 23,804
- vs nation
- D+10.9
- Lead
- 1,721
- Total
- 23,240
- vs nation
- D+9.9
- Lead
- 714
- Total
- 20,742
- vs nation
- D+2.9
- Lead
- 935
- Total
- 19,929
- vs nation
- R+3.8
Key facts
- 2024 presidential margin
- D+26.3MIT Election Lab
- Population
- 36,7022024 5-year
- Population density
- 3,084 / sq mi2024 5-year · TIGER/Line
- Land area
- 11.9 sq miTIGER/Line
- Median household income
- $132,7842024 5-year
- White (non-Hispanic)
- 86.8%2024 5-year
- Black
- 4.7%2024 5-year
- Hispanic / Latino
- 2.8%2024 5-year
- Peak Democratic margin
- D+26.3 in 2024MIT Election Lab
- Peak Republican margin
- R+26.7 in 1884MIT Election Lab
- Most similar
- State House District 19, KS · twin score 90.5
presidential history
Party record book
Missouri 90th 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
Kamala Harris2024
62.2%
14,296 votes · D+26.3 · modeled estimate
Runner-up · Joe Biden, 2020 · 62.0%
Republican
James G. Blaine1884
63.3%
159 votes · R+26.7 · modeled estimate
Runner-up · James A. Garfield, 1880 · 57.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
14,784votes
62.0% of the vote · D+25.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 14,296 votes
Republican
Ronald Reagan1984
13,409votes
30.7% of the vote · R+14.0 · a third-party candidate carried the Place · modeled estimate
Runner-up · Richard Nixon, 1972 · 11,511 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
Kamala Harris2024
+27.8pts D vs U.S.
Place D+26.3 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +21.1 pts
Republican
William H. Taft1912
+26.1pts R vs U.S.
Place R+6.6 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · Alf Landon, 1936 · +17.6 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 | 58.7%11,383 | 41.3%8,023 | 19,406 |
With a 2024 presidential margin of D+26.3 in a state that has trended sharply Republican statewide, District 90's electorate stands as a consistent outlier — likely anchored by urban density and a heavily Democratic-aligned voter base.
Across the recorded series it reached a Democratic high of 26.3 points in 2024 and a Republican high of 26.7 points in 1884. Between 2020 and 2024 the district moved 0.8 points toward the Democratic candidate; the 2024 margin was 26.3 points.
A population of 36,702, a 87% non-Hispanic-white share, and a median household income of $132,784 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 19 and State House District 25.
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 90th State House District. Akashic. https://akashic.app/sld-lower/29090/. Accessed May 20, 2026. License: CC BY 4.0.