State Senate District 12 State Senate District (MO) — Elections 1876–2024

Missouri 12th State Senate District, Missouri: Republican loyalist district. In 2024, voted R+53%. Republican peak: R+53 in 2024.

Key facts

2024 presidential margin: R+53MIT Election Lab
Political archetype: Republican loyalistAkashic typology
Population: 213,0862024 5-year
Median household income: $63,5242024 5-year
White (non-Hispanic): 90.3%2024 5-year
Black: 2.4%2024 5-year
Hispanic / Latino: 3.7%2024 5-year
Peak Democratic margin: D+24 in 1964MIT Election Lab
Peak Republican margin: R+53 in 2024MIT Election Lab

2024 results by constituent county

19 counties · 0 D · 19 R

R+60

D+60

One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	R	−52.6%	23,893	78,428	103,586
2020	R	−50.3%	24,938	77,055	103,683
2016	R	−48.8%	22,868	71,538	99,676
2012	R	−29.6%	32,641	61,068	96,131
2008	R	−17.0%	42,345	60,084	104,649
2004	R	−21.5%	40,061	62,241	103,132
2000	R	−15.9%	39,129	54,474	96,310
1996	D	+5.3%	42,361	37,444	92,383
1992	D	+7.7%	41,768	33,834	103,150
1988	R	−0.9%	47,313	48,209	95,833
1984	R	−19.8%	40,922	61,129	102,051
1980	R	−10.0%	44,986	55,419	104,196
1976	D	+5.1%	54,714	49,406	104,762
1972	R	−33.0%	35,636	70,817	106,454
1968	R	−9.9%	45,383	56,266	109,953
1964	D	+23.6%	70,363	43,454	113,817
1960	R	−13.3%	55,936	73,096	129,032
1956	R	−11.2%	58,603	73,331	131,934
1952	R	−19.6%	57,007	84,856	142,074
1948	D	+6.6%	67,070	58,713	125,940
1944	R	−8.3%	61,094	72,135	133,392
1940	R	−4.3%	76,847	83,820	160,918
1936	D	+6.8%	87,182	76,058	163,853
1932	D	+22.0%	81,618	52,056	134,394
1928	R	−22.6%	55,574	88,170	144,039
1924	R	−5.6%	65,687	73,831	146,032
1920	R	−14.2%	63,441	84,739	149,755
1916	D	+2.2%	44,807	42,852	89,114
1912	D	+16.7%	40,176	25,937	85,226
1908	R	−3.0%	41,722	44,365	87,525
1904	R	−9.2%	38,290	46,354	87,213
1900	R	−0.0%	46,168	46,194	94,841
1896	D	+6.7%	51,151	44,666	96,635
1892	R	−0.2%	37,019	37,199	83,763
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

20.9%

English

12.8%

Irish

10.8%

American

8.8%

Scottish

2.0%

French

1.1%

Italian

1.0%

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: 40.9 in this county, 39.1 nationally

Male

Age

Female

0.9%

85+

1.7%

2.8%

75–84

3.4%

5.6%

65–74

5.8%

6.8%

55–64

6.7%

5.8%

45–54

5.6%

6.1%

35–44

5.8%

5.9%

25–34

5.7%

4.7%

18–24

4.4%

8.5%

5–17

8.0%

2.9%

2.8%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$63,524

State Senate District 12 ranks near the middle of US counties.

State Senate District 12$63,524

Missouri$70,702

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

13.3%

Children face moderate poverty.

Children under 1815.7%

Working age (18–64)12.7%

Seniors (65+)12.1%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

95.9%

speak English only

Spanish1.9%

Other Indo-European1.6%

Asian & Pacific Islander0.5%

Other languages0.2%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Baptist

19.6%

Other Christian

11.1%

Methodist

8.0%

Catholic & Orthodox

6.6%

Mainline Protestant

5.4%

Pentecostal & Holiness

2.8%

Non-Christian

0.1%

Source · 2020 US Religion Census. Remaining 46.5% of residents not counted as adherents by any reporting body.

Missouri Senate District 12 stands out as one of the state's more competitive upper-chamber seats, where a D+5.4 presidential margin in 2024 cuts noticeably against the statewide Republican tide.

The Republican margin in Missouri 12th State Senate District reached its widest at fifty-three points in 2024. The margin in 2024 was fifty-three points, in line with the district's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $63,524, a 90% non-Hispanic-white share, and a population of 213,086 together describe a district whose political habits are deeply settled.

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Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

State Senate District 12, Missouri. Akashic. https://akashic.app/sld-upper/29012/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State Senate District 12, Missouri vote in 2024?

In 2024, State Senate District 12, Missouri voted Republican by 52.6 points (R+53), carried by the Republican candidate. Out of 103,586 votes cast, 23,893 went Democratic and 78,428 went Republican.

What is State Senate District 12, Missouri's political archetype?

Akashic classifies State Senate District 12, Missouri as a "Republican loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 10 times, Republican 24 times, and other 0 times.

When did State Senate District 12, Missouri last vote Democratic?

The most recent presidential election in which State Senate District 12, Missouri voted Democratic was 1996.

How many people live in State Senate District 12, Missouri?

State Senate District 12, Missouri has a population of 213,086 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in State Senate District 12, Missouri?

Median household income in State Senate District 12, Missouri is $63,524 — below the national median of $80,734. The Missouri state median is $70,702.

What is the political history of State Senate District 12, Missouri?

Akashic tracks 38 presidential elections in State Senate District 12, Missouri from 1876 to 2024. Of those, 10 went Democratic and 24 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.

Missouri 12th State Senate District has voted Republican in seven straight presidential cycles.

Key facts

Demographics

Compare two places, side by side

Frequently asked questions