akashic
1876–2024
St. Louis-St. Charles-Farmington, MO-IL·Illinois

St. Louis-St. Charles-Farmington, MO-IL delivered a near-tie in 2024.

2008 — 2024·5 elections
IL
2024 presidential election
St. Louis-St. Charles-Farmington, MO-IL
TrumpR+0.8
2024 presidential margin by county for St. Louis-St. Charles-Farmington, MO-IL, ILA map of the constituent counties of St. Louis-St. Charles-Farmington, MO-IL, IL, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.Marion County, IL · R+49.5St. Francois County, MO · R+51.3Lincoln County, MO · R+55.9Macoupin County, IL · R+39.2Clinton County, IL · R+51.8Monroe County, IL · R+36.3Madison County, IL · R+13.2Calhoun County, IL · R+55.9Bond County, IL · R+44.7St. Clair County, IL · D+7.8Jersey County, IL · R+50.2Warren County, MO · R+49.3Franklin County, MO · R+45.7St. Louis city, MO · D+64.2Jefferson County, MO · R+36.6St. Charles County, MO · R+16.9St. Louis County, MO · D+23.4
How it voted
Share of the 2024 vote
Donald Trump ✓Republican49.4%721,453
Kamala HarrisDemocratic48.6%709,862
OtherAll other candidates1.9%28,057
D+60
R+60
17 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1876 to 2024. Most recent: −0.8% in 2024.flipped R · 2024−0.8%DR18762024
Presidential margin over time
YearMargin (D minus R)
1876No data
1880No data
1884No data
1888No data
1892+2.5%
1896−7.9%
1900−1.4%
1904−10.2%
1908−8.9%
1912+9.1%
1916−4.7%
1920−22.5%
1924−16.1%
1928−0.6%
1932+28.1%
1936+26.4%
1940+8.7%
1944+10.3%
1948+18.1%
1952+9.7%
1956+6.6%
1960+14.0%
1964+35.7%
1968+8.1%
1972−12.6%
1976+4.3%
1980−5.2%
1984−15.1%
1988+1.5%
1992+16.6%
1996+13.5%
2000+7.7%
2004+7.3%
2008+15.6%
2012+6.2%
2016−2.1%
2020+1.8%
2024−0.8%
DemocraticRepublican
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−0.8%
709,862721,4531,459,372
D
+1.8%
753,653726,8821,511,844
R
−2.1%
656,581686,0461,427,651
D
+6.2%
728,882642,4861,399,200
D
+15.6%
844,925614,7871,476,332
D
+7.3%
734,935633,8471,376,484
D
+7.7%
631,421539,1471,200,033
D
+13.5%
568,166419,0221,101,275
D
+16.6%
598,516390,4441,251,654
D
+1.5%
561,493544,8131,110,442
R
−15.1%
478,621649,6131,129,623
R
−5.2%
500,389558,2931,114,816
D
+4.3%
547,517501,4471,065,912
R
−12.6%
443,159571,4231,016,256
D
+8.1%
480,587400,146996,587
D
+35.7%
674,199319,810994,009
D
+14.0%
583,027439,7991,023,388
D
+6.6%
505,418442,460948,329
D
+9.7%
520,676428,039950,146
D
+18.1%
449,908311,237766,628
D
+10.3%
415,860338,052756,541
D
+8.7%
463,833389,259856,594
D
+26.4%
500,205286,446809,709
D
+28.1%
451,968249,633720,401
R
−0.6%
327,672331,527662,736
R
−16.1%
179,401262,994517,711
R
−22.5%
179,256293,271507,437
R
−4.7%
165,697182,572359,724
D
+9.1%
110,09786,367260,867
R
−8.9%
116,166140,190268,914
R
−10.2%
94,485117,372225,265
R
−1.4%
112,958116,250235,635
R
−7.9%
101,109118,615222,047
D
+2.5%
79,54975,477160,101
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Demographics

Demographic profile

Demographic Profile

Key indicators compared across containing geographies

Demographic Profile. Key indicators compared across containing geographies. ACS values are survey estimates and may include margins of error. Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
IndicatorSt. Louis-St. Charles-Farmington, MO-ILCombined statistical areaUnited StatesNation
Race & Ethnicity
White72.1%61.0%
Black16.7%12.2%
Asian2.8%6.0%
Two or more races6.7%12.6%
Other race1.7%8.2%
Hispanic or Latino3.9%19.3%
Income & Age
Median household income$80,835$84,427
Poverty rate10.7%12.5%
Median age4039.1
Age 18–248.3%9.2%
Age 65 and older17.8%17.2%
Education & Language
Speaks a non-English language at home6.7%22.3%
Ancestry
Largest ancestryGerman 25.2%German 12.5%
2nd-largest ancestryIrish 12.7%English 9.5%
3rd-largest ancestryEnglish 10.2%Irish 9.4%
Religion
Catholic20.6%18.6%
Evangelical Protestant16.6%16.5%
Unaffiliated or unclaimed49.5%51.5%
Mainline Protestant5.7%5.2%

ACS values are survey estimates and may include margins of error.

Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
25.2%
Irish
12.7%
English
10.2%
American
6.0%
Italian
4.5%
French
2.7%
Polish
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.
2024 ACS
Age distribution by sex
Median age: 40.0 in this county, 39.1 nationally
Male
Age
Female
0.7%
85+
1.3%
2.2%
75–84
2.9%
5.0%
65–74
5.7%
6.6%
55–64
6.9%
5.9%
45–54
6.1%
6.6%
35–44
6.7%
6.6%
25–34
6.6%
4.2%
18–24
4.1%
8.3%
5–17
7.9%
2.8%
<5
2.7%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$80,835
St. Louis-St. Charles-Farmington, MO-IL ranks near the middle of US counties.
St. Louis-St. Charles-Farmington, MO-IL$80,835
Illinois$83,390
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
10.7%
Child poverty is below the national average.
Children under 1814.0%
Working age (18–64)9.8%
Seniors (65+)10.2%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
93.3%
speak English only
Spanish2.2%
Other Indo-European2.1%
Asian & Pacific Islander1.7%
Other languages0.6%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Catholic
20.6%
Evangelical Protestant
16.6%
Mainline Protestant
5.7%
Black Protestant
3.7%
Muslim
1.2%
Latter-day Saints
0.7%
Other Christian
0.6%
Jewish
0.6%
Buddhist
0.3%
Orthodox Christian
0.2%
Hindu
0.2%
Other faiths
0.1%
Unaffiliated or not counted49.5%
Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.

St. Louis-St. Charles-Farmington, MO-IL sits in the Upper Midwest. In 2024 it voted Republican.

Across the recorded series it reached a Democratic high of 35.7 points in 1964 and a Republican high of 22.5 points in 1920. Between 2020 and 2024 the region moved 2.6 points toward the Republican candidate; the 2024 margin was 0.8 points.

A population of 2,914,849, a 72% non-Hispanic-white share, and a median household income of $80,835 describe the region.

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.
St. Louis-St. Charles-Farmington, MO-IL, Illinois. Akashic. https://akashic.app/csa/476/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did St. Louis-St. Charles-Farmington, MO-IL, Illinois vote in 2024?
In 2024, St. Louis-St. Charles-Farmington, MO-IL, Illinois voted Republican by 0.8 points (R+0.8), carried by the Republican candidate. Out of 1,459,372 votes cast, 709,862 went Democratic and 721,453 went Republican.
What is St. Louis-St. Charles-Farmington, MO-IL, Illinois's political typology?
Akashic places St. Louis-St. Charles-Farmington, MO-IL, Illinois in the "" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the region has voted Democratic 21 times, Republican 13 times, and other 0 times.
When did St. Louis-St. Charles-Farmington, MO-IL, Illinois last vote Democratic?
The most recent presidential election in which St. Louis-St. Charles-Farmington, MO-IL, Illinois voted Democratic was 2020.
How many people live in St. Louis-St. Charles-Farmington, MO-IL, Illinois?
St. Louis-St. Charles-Farmington, MO-IL, Illinois has a population of 2,914,849 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in St. Louis-St. Charles-Farmington, MO-IL, Illinois?
Median household income in St. Louis-St. Charles-Farmington, MO-IL, Illinois is $80,835 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of St. Louis-St. Charles-Farmington, MO-IL, Illinois?
Akashic tracks 38 presidential elections in St. Louis-St. Charles-Farmington, MO-IL, Illinois from 1876 to 2024. Of those, 21 went Democratic and 13 went Republican. The region's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.