akashic
1876–2024
Peoria, IL·Illinois

Peoria, IL delivered R+15 in 2024.

A bellwether metro that tracked national presidential margins for decades

1876 — 2024·38 elections
IL
LatestR+15in 2024
TypologyIndustrial Catholic Metrocluster typology
Population365,2022024 ACS

Peoria, IL, Illinois: Industrial Catholic Metro metro. In 2024, voted R+15%. Republican peak: R+40 in 1920.

Key facts

2024 presidential margin
R+15MIT Election Lab
Political typology
Industrial Catholic MetroAkashic typology
Population
365,2022024 5-year
Median household income
$72,6422024 5-year
White (non-Hispanic)
80.5%2024 5-year
Black
9.2%2024 5-year
Hispanic / Latino
4.3%2024 5-year
Peak Democratic margin
D+26 in 1912MIT Election Lab
Peak Republican margin
R+40 in 1920MIT Election Lab
2024 presidential election
Peoria, IL
TrumpR+15
—
2024 presidential margin by county for Peoria, IL, ILA map of the constituent counties of Peoria, IL, IL, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic).Peoria County, IL · D+5Stark County, IL · R+46Woodford County, IL · R+42Tazewell County, IL · R+27Marshall County, IL · R+36
How it voted
Share of the 2024 vote
Donald Trump ✓Republican56.6%100,286
Kamala HarrisDemocratic41.5%73,486
OtherAll other candidates1.9%3,405
D+60
R+60
5 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: −15.1% in 2024.flipped R · 2012−15.1%DR18762024
Presidential margin over time
YearMargin (D minus R)
1876No data
1880No data
1884No data
1888No data
1892+6.3%
1896−5.9%
1900−5.0%
1904−24.5%
1908−7.7%
1912+26.2%
1916−4.2%
1920−40.2%
1924−39.0%
1928−16.5%
1932+20.2%
1936+25.8%
1940+5.5%
1944−4.7%
1948−6.5%
1952−20.0%
1956−26.4%
1960−10.7%
1964+16.8%
1968−10.2%
1972−33.1%
1976−15.5%
1980−29.8%
1984−17.3%
1988−8.6%
1992+4.8%
1996+2.0%
2000−6.5%
2004−10.6%
2008+1.2%
2012−9.6%
2016−15.5%
2020−13.3%
2024−15.1%
DemocraticRepublican
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−15.1%
73,486100,286177,177
R
−13.3%
77,377101,765183,982
R
−15.5%
66,37793,110172,444
R
−9.6%
73,76989,888167,162
D
+1.2%
86,72784,675174,281
R
−10.6%
76,93595,382173,556
R
−6.5%
73,29383,679160,849
D
+2.0%
70,69467,643151,401
D
+4.8%
74,17266,094167,474
R
−8.6%
68,47681,369150,632
R
−17.3%
67,80896,435165,097
R
−29.8%
51,461100,794165,331
R
−15.5%
65,96290,584158,651
R
−33.1%
49,53298,864148,990
R
−10.2%
59,23774,057145,616
D
+16.8%
87,17262,071149,243
R
−10.7%
68,34784,672153,163
R
−26.4%
52,99591,088144,269
R
−20.0%
57,53386,278144,001
R
−6.5%
52,28059,628112,431
R
−4.7%
54,76060,184115,336
D
+5.5%
69,10861,825131,457
D
+25.8%
76,04144,456122,450
D
+20.2%
62,94241,577105,841
R
−16.5%
37,50552,56891,181
R
−39.0%
14,16643,49575,207
R
−40.2%
17,29943,63365,548
R
−4.2%
33,06336,02671,319
O
+26.2%
16,4235,83740,397
R
−7.7%
17,29220,32739,438
R
−24.5%
12,97922,24437,884
R
−5.0%
18,89220,95340,974
R
−5.9%
18,18220,48839,403
D
+6.3%
16,96414,86433,473
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Demographics

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
25.2%
Irish
12.5%
English
12.3%
American
5.1%
Italian
3.4%
Polish
2.1%
French
1.3%
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
0.9%
85+
1.6%
2.5%
75–84
3.2%
5.3%
65–74
5.9%
6.2%
55–64
6.5%
5.9%
45–54
6.0%
6.5%
35–44
6.3%
6.2%
25–34
6.2%
4.1%
18–24
4.0%
8.8%
5–17
8.4%
3.0%
<5
2.8%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$72,642
Peoria, IL ranks near the middle of US counties.
Peoria, IL$72,642
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
12.2%
Children face moderate poverty.
Children under 1815.7%
Working age (18–64)11.4%
Seniors (65+)8.7%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
94.4%
speak English only
Spanish2.1%
Other Indo-European1.5%
Asian & Pacific Islander1.5%
Other languages0.6%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
10.6%
Other Christian
9.7%
Mainline Protestant
7.9%
Pentecostal & Holiness
4.2%
Methodist
3.9%
Baptist
3.6%
Non-Christian
1.9%
Source · 2020 US Religion Census. Remaining 58.2% of residents not counted as adherents by any reporting body.

Peoria's blend of industrial labor, downstate conservatism, and a mid-sized university has made it a reliable proxy for midwestern swing sentiment, though its bellwether streak showed cracks in the 2010s as rural-urban polarization deepened.

Across the recorded series it reached a Democratic high of twenty-six points in 1912 and a Republican high of forty points in 1920. Between 2020 and 2024 the metro moved two points toward the Republican candidate; the 2024 margin was fifteen points.

A population of 365,202, a 81% non-Hispanic-white share, and a median household income of $72,642 describe the metro.

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.
Peoria, IL, Illinois. Akashic. https://akashic.app/cbsa/37900/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Peoria, IL, Illinois vote in 2024?
In 2024, Peoria, IL, Illinois voted Republican by 15.1 points (R+15), carried by the Republican candidate. Out of 177,177 votes cast, 73,486 went Democratic and 100,286 went Republican.
What is Peoria, IL, Illinois's political typology?
Akashic places Peoria, IL, Illinois in the "Industrial Catholic Metro" 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 metro has voted Democratic 8 times, Republican 25 times, and other 1 times.
When did Peoria, IL, Illinois last vote Democratic?
The most recent presidential election in which Peoria, IL, Illinois voted Democratic was 2008.
How many people live in Peoria, IL, Illinois?
Peoria, IL, Illinois has a population of 365,202 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Peoria, IL, Illinois?
Median household income in Peoria, IL, Illinois is $72,642 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Peoria, IL, Illinois?
Akashic tracks 38 presidential elections in Peoria, IL, Illinois from 1876 to 2024. Of those, 8 went Democratic and 25 went Republican. The metro's typology — "Industrial Catholic Metro" — captures where that record, its demographics, and its recent swing place it among American communities.