Religious adherence is published only at the county level (U.S. Religion Census). See Platte County.
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.
Missouri 12th State House District
Akashic
Missouri 12th State House DistrictHarrisD+5.4
20082024
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic
52.0%
10,564
Donald TrumpRepublican
46.7%
9,473
Chase OliverLibertarian
1.3%
268
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 12th State House District — winner and D-vs-R margin.
County
Winner
Margin
Platte County, MO
Republican
R+3.1
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
52.0%Harris10,564
46.7%Trump9,473
1.3%Oliver268
+5.4%
20,305
D
51.5%Biden9,907
46.4%Trump8,920
2.1%Jorgensen413
+5.1%
19,240
R
44.6%Clinton7,544
49.1%Trump8,303
6.3%Johnson1,064
−4.5%
16,911
R
44.2%Obama7,131
55.8%Romney9,016
0.0%
−11.7%
16,147
R
46.9%Obama7,586
51.8%McCain8,384
1.2%Nader200
−4.9%
16,170
Akashic
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2008
−4.9%
2012
−11.7%
2016
−4.5%
2020
+5.1%
2024
+5.4%
DemocraticRepublican
Akashic
current representation
Current officeholders
RMike JonesState House · 12
State legislative officeholder from OpenStates nightly current-legislator data.
The district recorded a Democratic presidential margin of D+5.4 in 2024 and R+4.9 in 2008, switching sides at least once in between. About 9,430 residents lived here, with White alone at 78.6% in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 5.4 points in 2024 and a Republican high of 11.7 points in 2012. The 2024 margin was 5.4 points.
A population of 38,147, a 75% non-Hispanic-white share, and a median household income of $109,697 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 14 and State House District 25.
Akashic
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 12th State House District. Akashic. https://akashic.app/sld-lower/29012/. Accessed May 20, 2026. License: CC BY 4.0.
How did Missouri 12th State House District vote in 2024?
In 2024, Missouri 12th State House District voted Democratic by 5.4 points (D+5.4), carried by the Democratic candidate. Out of 20,305 votes cast, 10,564 went Democratic and 9,473 went Republican.
When did Missouri 12th State House District last vote Republican?
The most recent presidential election in which Missouri 12th State House District voted Republican was 2016.
How many people live in Missouri 12th State House District?
Missouri 12th State House District has a population of 38,147 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Missouri 12th State House District?
Median household income in Missouri 12th State House District is $109,697 — above the national median of $80,734. The Missouri state median is $70,702.
What is the political history of Missouri 12th State House District?
Akashic tracks 5 presidential elections in Missouri 12th State House District from 2008 to 2024. Of those, 2 went Democratic and 3 went Republican.
Akashic