State Senate District 20 State Senate District (MO) — Elections 1876–2024

Missouri 20th State Senate District, Missouri: Republican loyalist district. In 2024, voted R+29%. Republican peak: R+42 in 1972.

Key facts

2024 presidential margin: R+29MIT Election Lab
Political archetype: Republican loyalistAkashic typology
Population: 321,7022024 5-year
Median household income: $62,1562024 5-year
White (non-Hispanic): 86.9%2024 5-year
Black: 2.6%2024 5-year
Hispanic / Latino: 4.6%2024 5-year
Peak Democratic margin: D+15 in 1932MIT Election Lab
Peak Republican margin: R+42 in 1972MIT Election Lab

2024 results by constituent county

4 counties · 0 D · 4 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	−29.3%	53,459	98,818	155,071
2020	R	−28.4%	52,608	95,650	151,783
2016	R	−33.6%	41,492	88,341	139,299
2012	R	−28.2%	46,474	84,400	134,262
2008	R	−19.5%	56,820	84,764	143,547
2004	R	−28.2%	47,408	84,958	133,153
2000	R	−20.5%	42,261	64,736	109,843
1996	R	−10.3%	40,647	51,192	102,613
1992	R	−5.8%	42,423	48,814	110,836
1988	R	−19.5%	37,430	55,684	93,389
1984	R	−35.1%	29,569	61,543	91,112
1980	R	−17.9%	32,919	48,085	84,727
1976	R	−4.9%	36,963	40,768	78,429
1972	R	−42.4%	21,628	53,478	75,106
1968	R	−22.7%	22,265	37,468	66,962
1964	D	+10.1%	34,646	28,311	62,956
1960	R	−28.6%	23,999	43,181	67,180
1956	R	−18.1%	24,933	35,975	60,908
1952	R	−23.2%	23,497	37,765	61,388
1948	D	+1.5%	25,954	25,199	51,239
1944	R	−14.9%	21,856	29,537	51,499
1940	R	−5.1%	27,994	30,984	59,143
1936	D	+4.8%	28,520	25,889	54,601
1932	D	+15.2%	26,697	19,550	46,995
1928	R	−32.3%	15,480	30,294	45,909
1924	R	−4.2%	18,712	20,525	42,818
1920	R	−16.9%	17,298	24,598	43,106
1916	R	−0.9%	11,945	12,162	25,069
1912	D	+8.2%	9,145	7,347	21,939
1908	R	−4.2%	10,147	11,077	22,330
1904	R	−13.0%	8,579	11,362	21,367
1900	R	−0.2%	10,635	10,679	22,062
1896	D	+11.7%	12,632	9,972	22,793
1892	R	−4.2%	7,490	8,321	19,652
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

19.6%

English

15.5%

Irish

11.7%

American

6.9%

Italian

2.5%

Scottish

2.2%

French

2.0%

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: 36.9 in this county, 39.1 nationally

Male

Age

Female

0.9%

85+

1.2%

2.1%

75–84

3.1%

4.6%

65–74

5.3%

5.7%

55–64

6.1%

5.6%

45–54

5.5%

6.2%

35–44

6.1%

6.9%

25–34

6.8%

6.0%

18–24

6.0%

8.3%

5–17

7.7%

3.0%

2.7%

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

Median household income

2024 inflation-adjusted dollars

$62,156

State Senate District 20 ranks near the middle of US counties.

State Senate District 20$62,156

Missouri$70,702

United States$80,734

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

Poverty rate

All persons below federal poverty line

14.0%

Children face moderate poverty.

Children under 1815.8%

Working age (18–64)13.8%

Seniors (65+)10.2%

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

Language at home

Population aged 5 and older

94.3%

speak English only

Other Indo-European2.3%

Spanish2.1%

Asian & Pacific Islander1.0%

Other languages0.3%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Baptist

17.7%

Other Christian

12.1%

Pentecostal & Holiness

6.5%

Catholic & Orthodox

5.1%

Methodist

3.6%

Mainline Protestant

3.2%

Non-Christian

0.3%

Source · 2020 US Religion Census. Remaining 51.5% of residents not counted as adherents by any reporting body.

Missouri 20th State Senate District sits in the Border South. Its political identity has been Republican for as long as anyone now living can remember. 1 consecutive presidential elections in modern records have gone for the Republican candidate, often by margins that would be considered landslide territory anywhere else.

The Republican margin in Missouri 20th State Senate District reached its widest at forty-two points in 1972. The margin in 2024 was twenty-nine points, in line with the district's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $62,156, a 87% non-Hispanic-white share, and a population of 321,702 together describe a district whose political habits are deeply settled.

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 Senate District 20, Missouri. Akashic. https://akashic.app/sld-upper/29020/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State Senate District 20, Missouri vote in 2024?

In 2024, State Senate District 20, Missouri voted Republican by 29.3 points (R+29), carried by the Republican candidate. Out of 155,071 votes cast, 53,459 went Democratic and 98,818 went Republican.

What is State Senate District 20, Missouri's political archetype?

Akashic classifies State Senate District 20, 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 6 times, Republican 28 times, and other 0 times.

When did State Senate District 20, Missouri last vote Democratic?

The most recent presidential election in which State Senate District 20, Missouri voted Democratic was 1964.

How many people live in State Senate District 20, Missouri?

State Senate District 20, Missouri has a population of 321,702 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 20, Missouri?

Median household income in State Senate District 20, Missouri is $62,156 — below the national median of $80,734. The Missouri state median is $70,702.

What is the political history of State Senate District 20, Missouri?

Akashic tracks 38 presidential elections in State Senate District 20, Missouri from 1876 to 2024. Of those, 6 went Democratic and 28 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.

Missouri 20th State Senate District has voted Republican in fifteen straight presidential cycles.

Key facts

Demographics

Compare two places, side by side

Frequently asked questions