State Senate District 31 State Senate District (MO) — Elections 1876–2024

Missouri 31st State Senate District, Missouri: Republican loyalist district. In 2024, voted R+37%. Republican peak: R+38 in 1972.

Key facts

2024 presidential margin: R+37MIT Election Lab
Political archetype: Republican loyalistAkashic typology
Population: 181,6452024 5-year
Median household income: $79,0422024 5-year
White (non-Hispanic): 85.5%2024 5-year
Black: 4.3%2024 5-year
Hispanic / Latino: 5.2%2024 5-year
Peak Democratic margin: D+31 in 1912MIT Election Lab
Peak Republican margin: R+38 in 1972MIT Election Lab

2024 results by constituent county

3 counties · 0 D · 3 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	−36.7%	28,268	61,776	91,373
2020	R	−35.4%	27,691	59,267	89,155
2016	R	−37.6%	22,388	52,804	80,834
2012	R	−27.5%	27,261	48,682	77,876
2008	R	−17.5%	32,587	46,699	80,521
2004	R	−22.8%	27,862	44,503	72,900
2000	R	−14.0%	25,226	33,688	60,432
1996	R	−2.9%	21,182	22,669	50,708
1992	D	+1.7%	18,780	17,875	52,825
1988	R	−11.9%	18,792	23,879	42,798
1984	R	−29.8%	14,640	27,085	41,726
1980	R	−9.4%	16,932	20,610	39,230
1976	D	+8.0%	18,842	16,041	35,225
1972	R	−38.0%	9,793	21,779	31,571
1968	R	−9.8%	11,319	14,189	29,264
1964	D	+22.5%	18,228	11,524	29,752
1960	R	−13.8%	14,333	18,918	33,250
1956	R	−10.1%	14,402	17,651	32,053
1952	R	−17.3%	13,375	18,988	32,401
1948	D	+7.3%	14,671	12,670	27,377
1944	R	−10.1%	12,859	15,754	28,648
1940	R	−3.9%	15,894	17,174	33,137
1936	D	+8.6%	17,702	14,886	32,736
1932	D	+27.3%	18,469	10,490	29,179
1928	R	−22.9%	11,554	18,460	30,105
1924	D	+5.3%	14,954	13,407	29,223
1920	D	+0.4%	14,904	14,791	30,138
1916	D	+14.3%	10,291	7,665	18,363
1912	D	+30.7%	9,770	4,188	18,209
1908	D	+10.5%	9,872	7,942	18,344
1904	D	+3.7%	8,992	8,318	18,044
1900	D	+13.4%	10,551	7,942	19,480
1896	D	+24.7%	13,285	7,968	21,509
1892	D	+14.0%	9,141	6,502	18,847
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

20.2%

English

13.7%

Irish

11.8%

American

8.1%

Italian

2.4%

Scottish

1.8%

French

1.4%

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: 37.8 in this county, 39.1 nationally

Male

Age

Female

0.7%

85+

1.4%

2.3%

75–84

2.6%

4.6%

65–74

5.1%

6.3%

55–64

6.5%

5.7%

45–54

5.7%

6.3%

35–44

6.2%

6.4%

25–34

6.2%

5.7%

18–24

5.2%

8.8%

5–17

8.4%

2.9%

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

Median household income

2024 inflation-adjusted dollars

$79,042

State Senate District 31 ranks near the middle of US counties.

State Senate District 31$79,042

Missouri$70,702

United States$80,734

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

Poverty rate

All persons below federal poverty line

8.8%

Child poverty is below the national average.

Children under 1810.5%

Working age (18–64)8.3%

Seniors (65+)7.9%

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

Language at home

Population aged 5 and older

96.3%

speak English only

Spanish1.8%

Other Indo-European0.9%

Asian & Pacific Islander0.8%

Other languages0.2%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Baptist

11.5%

Other Christian

8.6%

Catholic & Orthodox

3.8%

Mainline Protestant

3.1%

Methodist

3.1%

Pentecostal & Holiness

1.0%

Non-Christian

0.1%

Source · 2020 US Religion Census. Remaining 68.8% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of R+46.5, this district ranks among the most one-sided in the state. Its political uniformity makes it a benchmark for measuring rural Missouri's partisan alignment.

The Republican margin in Missouri 31st State Senate District reached its widest at thirty-eight points in 1972. The margin in 2024 was thirty-seven points, in line with the district's deep historical pattern.

Its loyalty is rooted in its place. Median household income of $79,042, a 86% non-Hispanic-white share, and a population of 181,645 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 31, Missouri. Akashic. https://akashic.app/sld-upper/29031/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State Senate District 31, Missouri vote in 2024?

In 2024, State Senate District 31, Missouri voted Republican by 36.7 points (R+37), carried by the Republican candidate. Out of 91,373 votes cast, 28,268 went Democratic and 61,776 went Republican.

What is State Senate District 31, Missouri's political archetype?

Akashic classifies State Senate District 31, 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 15 times, Republican 19 times, and other 0 times.

When did State Senate District 31, Missouri last vote Democratic?

The most recent presidential election in which State Senate District 31, Missouri voted Democratic was 1992.

How many people live in State Senate District 31, Missouri?

State Senate District 31, Missouri has a population of 181,645 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 31, Missouri?

Median household income in State Senate District 31, Missouri is $79,042 — below the national median of $80,734. The Missouri state median is $70,702.

What is the political history of State Senate District 31, Missouri?

Akashic tracks 38 presidential elections in State Senate District 31, Missouri from 1876 to 2024. Of those, 15 went Democratic and 19 went Republican. The district's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.

Missouri 31st State Senate District has voted Republican in eight straight presidential cycles.

Key facts

Demographics

Compare two places, side by side

Frequently asked questions