State Senate District 15 State Senate District (MO) — Elections 1876–2024

Missouri 15th State Senate District, Missouri: Democratic loyalist district. In 2024, voted D+23%. Republican peak: R+42 in 1904.

Key facts

2024 presidential margin: D+23MIT Election Lab
Political archetype: Democratic loyalistAkashic typology
Population: 306,3602024 5-year
Median household income: $82,9362024 5-year
White (non-Hispanic): 62.1%2024 5-year
Black: 24.1%2024 5-year
Hispanic / Latino: 3.9%2024 5-year
Peak Democratic margin: D+24 in 1932MIT Election Lab
Peak Republican margin: R+42 in 1904MIT Election Lab

2024 results by constituent county

1 counties · 1 D · 0 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	D	+23.4%	94,051	57,846	154,704
2020	D	+24.0%	100,980	61,389	165,077
2016	D	+16.2%	88,226	62,294	159,920
2012	D	+13.6%	91,424	69,158	163,129
2008	D	+19.9%	102,510	68,224	172,280
2004	D	+9.3%	90,866	75,383	167,089
2000	D	+5.3%	77,125	69,142	149,826
1996	D	+6.4%	69,399	60,343	142,254
1992	D	+8.9%	72,549	57,940	164,559
1988	R	−9.6%	66,633	80,865	147,917
1984	R	−28.0%	53,280	94,682	147,962
1980	R	−14.6%	59,328	81,091	149,194
1976	R	−11.1%	60,595	76,004	139,284
1972	R	−24.3%	49,482	81,284	130,767
1968	R	−3.8%	51,016	55,499	118,589
1964	D	+22.6%	65,748	41,531	107,279
1960	D	+2.6%	51,238	48,618	99,856
1956	R	−6.2%	37,506	42,500	80,006
1952	R	−10.1%	29,374	35,949	65,385
1948	R	−5.2%	19,289	21,415	41,045
1944	R	−5.2%	17,780	19,735	37,624
1940	R	−12.1%	16,119	20,589	36,849
1936	D	+15.8%	19,456	14,014	34,496
1932	D	+23.6%	18,169	11,039	30,236
1928	R	−11.4%	10,402	13,100	23,592
1924	R	−22.1%	4,947	8,207	14,720
1920	R	−32.0%	3,827	7,696	12,106
1916	R	−23.7%	2,335	3,842	6,359
1912	R	−5.0%	1,664	1,901	4,778
1908	R	−36.9%	1,392	3,132	4,716
1904	R	−42.4%	883	2,269	3,268
1900	R	−25.3%	1,189	2,012	3,254
1896	R	−29.0%	1,047	1,911	2,982
1892	R	−16.6%	959	1,344	2,324
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

22.3%

Irish

12.2%

English

9.1%

American

5.5%

Italian

4.6%

Polish

2.4%

French

2.4%

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: 40.3 in this county, 39.1 nationally

Male

Age

Female

0.8%

85+

1.6%

2.4%

75–84

3.2%

5.0%

65–74

6.1%

6.3%

55–64

7.0%

5.6%

45–54

6.2%

35–44

6.6%

6.2%

25–34

6.5%

4.2%

18–24

4.2%

8.4%

5–17

8.0%

2.9%

2.7%

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

Median household income

2024 inflation-adjusted dollars

$82,936

State Senate District 15 ranks near the middle of US counties.

State Senate District 15$82,936

Missouri$70,702

United States$80,734

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

Poverty rate

All persons below federal poverty line

9.8%

Child poverty is below the national average.

Children under 1813.5%

Working age (18–64)8.7%

Seniors (65+)9.1%

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

Language at home

Population aged 5 and older

89.5%

speak English only

Other Indo-European3.8%

Asian & Pacific Islander3.0%

Spanish2.6%

Other languages1.1%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

25.9%

Other Christian

10.0%

Baptist

5.1%

Mainline Protestant

3.2%

Non-Christian

2.7%

Methodist

2.1%

Pentecostal & Holiness

1.7%

Source · 2020 US Religion Census. Remaining 49.3% of residents not counted as adherents by any reporting body.

With a 2024 presidential margin of R+59.1, this district ranks among the state's most reliably conservative, suggesting a rural or small-town composition where statewide Republican candidates face little structural opposition.

The Democratic margin in Missouri 15th State Senate District reached its widest at twenty-four points in 2020. The margin in 2024 was twenty-three points — still decisive.

Its loyalty is rooted in its place. Median household income of $82,936, a 62% non-Hispanic-white share, and a population of 306,360 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 15, Missouri. Akashic. https://akashic.app/sld-upper/29015/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did State Senate District 15, Missouri vote in 2024?

In 2024, State Senate District 15, Missouri voted Democratic by 23.4 points (D+23), carried by the Democratic candidate. Out of 154,704 votes cast, 94,051 went Democratic and 57,846 went Republican.

What is State Senate District 15, Missouri's political archetype?

Akashic classifies State Senate District 15, Missouri as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 13 times, Republican 21 times, and other 0 times.

When did State Senate District 15, Missouri last vote Republican?

The most recent presidential election in which State Senate District 15, Missouri voted Republican was 1988.

How many people live in State Senate District 15, Missouri?

State Senate District 15, Missouri has a population of 306,360 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 15, Missouri?

Median household income in State Senate District 15, Missouri is $82,936 — above the national median of $80,734. The Missouri state median is $70,702.

What is the political history of State Senate District 15, Missouri?

Akashic tracks 38 presidential elections in State Senate District 15, Missouri from 1876 to 2024. Of those, 13 went Democratic and 21 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.

Missouri 15th State Senate District has voted Democratic in nine straight presidential cycles.

Key facts

Demographics

Compare two places, side by side

Frequently asked questions