Missouri 12th State House District, Missouri: Tossup district. In 2024, voted R+3%. Democratic peak: D+63 in 1932.
Key facts
- 2024 presidential margin
- R+3MIT Election Lab
- Political archetype
- TossupAkashic typology
- Population
- 9,4252024 5-year
- Median household income
- $96,2272024 5-year
- White (non-Hispanic)
- 78.6%2024 5-year
- Black
- 7.7%2024 5-year
- Hispanic / Latino
- 7.2%2024 5-year
- Peak Democratic margin
- D+63 in 1932MIT Election Lab
- Peak Republican margin
- R+35 in 1972MIT Election Lab
Constituent county margins for State House District 12, MOOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 2,354 | 2,509 | 4,969 | ||
| R | 2,321 | 2,469 | 4,891 | ||
| R | 1,713 | 2,215 | 4,236 | ||
| R | 1,637 | 2,188 | 3,903 | ||
| R | 1,836 | 2,089 | 3,972 | ||
| R | 1,572 | 1,990 | 3,584 | ||
| R | 1,309 | 1,519 | 2,908 | ||
| R | 1,085 | 1,138 | 2,510 | ||
| D | 933 | 801 | 2,517 | ||
| R | 959 | 1,011 | 1,975 | ||
| R | 655 | 1,098 | 1,753 | ||
| R | 627 | 862 | 1,602 | ||
| D | 739 | 692 | 1,456 | ||
| R | 357 | 748 | 1,106 | ||
| R | 398 | 413 | 966 | ||
| D | 525 | 261 | 786 | ||
| D | 500 | 407 | 908 | ||
| D | 450 | 307 | 757 | ||
| D | 393 | 289 | 683 | ||
| D | 372 | 140 | 514 | ||
| D | 319 | 200 | 520 | ||
| D | 396 | 217 | 614 | ||
| D | 417 | 153 | 571 | ||
| D | 442 | 99 | 543 | ||
| D | 286 | 207 | 493 | ||
| D | 314 | 171 | 491 | ||
| D | 372 | 147 | 521 | ||
| D | 254 | 79 | 334 | ||
| D | 216 | 44 | 294 | ||
| D | 239 | 84 | 325 | ||
| D | 217 | 81 | 301 | ||
| D | 261 | 85 | 348 | ||
| D | 272 | 89 | 364 | ||
| D | 227 | 76 | 319 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
23.4%
English
15.1%
Irish
13.1%
American
4.9%
Italian
3.1%
Polish
2.4%
Scottish
2.3%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 39.1 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$96,227
State House District 12 ranks near the middle of US counties.
State House District 12$96,227
Missouri$70,702
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
7.0%
Child poverty is below the national average.
Children under 189.0%
Working age (18–64)5.9%
Seniors (65+)12.6%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
91.8%
speak English only
Spanish3.4%
Other Indo-European1.8%
Asian & Pacific Islander1.6%
Other languages1.5%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 71.8% of residents not counted as adherents by any reporting body.
Missouri 12th State House District in the Border South delivered a near-tie in 2024, with the Republican candidate carrying the district by three points — well within the historical noise of how the district votes.
The district's recent history is a story of close margins. The Democratic margin reached sixty-three points in 1932; the Republican margin reached thirty-five points in 1972. Most other elections have been decided by single-digit points.
Its demographics — a population of 9,425, a 79% non-Hispanic-white share, a median household income of $96,227 — situate the district close to national averages on several dimensions.
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.
State House District 12, Missouri. Akashic. https://akashic.app/sld-lower/29012/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State House District 12, Missouri vote in 2024?
In 2024, State House District 12, Missouri voted Republican by 3.1 points (R+3), carried by the Republican candidate. Out of 4,969 votes cast, 2,354 went Democratic and 2,509 went Republican.
What is State House District 12, Missouri's political archetype?
Akashic classifies State House District 12, Missouri as a "Tossup" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 21 times, Republican 13 times, and other 0 times.
When did State House District 12, Missouri last vote Democratic?
The most recent presidential election in which State House District 12, Missouri voted Democratic was 1992.
How many people live in State House District 12, Missouri?
State House District 12, Missouri has a population of 9,425 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State House District 12, Missouri?
Median household income in State House District 12, Missouri is $96,227 — above the national median of $80,734. The Missouri state median is $70,702.
What is the political history of State House District 12, Missouri?
Akashic tracks 38 presidential elections in State House District 12, Missouri from 1876 to 2024. Of those, 21 went Democratic and 13 went Republican. The district's archetype — "Tossup" — captures the overall trajectory of that voting record.