Religious adherence is published only at the county level (U.S. Religion Census). See St. Louis County.
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.
Missouri 66th State House District
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Missouri 66th State House DistrictHarrisD+74.1
20082024
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic
86.4%
9,431
Donald TrumpRepublican
12.2%
1,336
Chase OliverLibertarian
1.4%
151
D+60R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 1 county it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (1 county) — table
2024 presidential result by county for Missouri 66th State House District — winner and D-vs-R margin.
County
Winner
Margin
St. Louis County, MO
Democratic
D+23.4
Akashic
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year
Won
Democratic
Republican
Other
Margin
Total
D
86.4%Harris9,431
12.2%Trump1,336
1.4%Oliver151
+74.1%
10,918
D
87.7%Biden11,708
11.2%Trump1,489
1.1%Jorgensen148
+76.6%
13,345
D
86.1%Clinton12,243
11.4%Trump1,628
2.5%Johnson349
+74.6%
14,220
D
88.8%Obama16,431
11.2%Romney2,080
0.0%
+77.5%
18,511
D
87.6%Obama16,684
11.5%McCain2,193
0.9%Nader166
+76.1%
19,043
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presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2008
+76.1%
2012
+77.5%
2016
+74.6%
2020
+76.6%
2024
+74.1%
DemocraticRepublican
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current representation
Current officeholders
DMarlene TerryState House · 66
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of D+74.2, this St. Louis-area district ranks among the most reliably Democratic state house seats in Missouri, reflecting dense urban settlement and a heavily minority population.
Across the recorded series it reached a Democratic high of 77.5 points in 2012. Between 2020 and 2024 the district moved 2.4 points toward the Republican candidate; the 2024 margin was 74.1 points.
A population of 36,683, a 12% non-Hispanic-white share, and a median household income of $47,778 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 85 and State House District 74.
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Political twins — state-house districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Missouri 66th State House District. Akashic. https://akashic.app/sld-lower/29066/. Accessed May 20, 2026. License: CC BY 4.0.
How did Missouri 66th State House District vote in 2024?
In 2024, Missouri 66th State House District voted Democratic by 74.1 points (D+74.1), carried by the Democratic candidate. Out of 10,918 votes cast, 9,431 went Democratic and 1,336 went Republican.
How many people live in Missouri 66th State House District?
Missouri 66th State House District has a population of 36,683 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Missouri 66th State House District?
Median household income in Missouri 66th State House District is $47,778 — below the national median of $80,734. The Missouri state median is $70,702.
What is the political history of Missouri 66th State House District?
Akashic tracks 5 presidential elections in Missouri 66th State House District from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican.
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