akashic
1876–2024
Davenport-Moline-Rock Island, IA-IL·Illinois

Davenport-Moline-Rock Island, IA-IL moved 5 points toward the Republican candidate between 2020 and 2024.

Quad Cities metro spans two states and a persistent swing-county tradition

18762024·38 elections
IL
LatestR+3in 2024
TypologyIndustrial Catholic Metrocluster typology
Population381,5032024 ACS

Davenport-Moline-Rock Island, IA-IL, Illinois: Industrial Catholic Metro metro. In 2024, voted R+3%. Republican peak: R+51 in 1920.

Key facts

2024 presidential margin
R+3MIT Election Lab
Political typology
Industrial Catholic MetroAkashic typology
Population
381,5032024 5-year
Median household income
$73,1392024 5-year
White (non-Hispanic)
78.0%2024 5-year
Black
7.7%2024 5-year
Hispanic / Latino
9.7%2024 5-year
Peak Democratic margin
D+21 in 1964MIT Election Lab
Peak Republican margin
R+51 in 1920MIT Election Lab
Davenport-Moline-Rock Island, IA-IL
TrumpR+3
2024 presidential margin by county for Davenport-Moline-Rock Island, IA-IL, ILA map of the constituent counties of Davenport-Moline-Rock Island, IA-IL, IL, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic).Mercer County, IL · R+27Scott County, IA · R+4Rock Island County, IL · D+10Henry County, IL · R+24
How it voted
Share of the 2024 vote
Donald TrumpRepublican50.6%94,611
Kamala HarrisDemocratic47.5%88,781
OtherAll other candidates1.9%3,637
D+60
R+60
4 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: −3.1% in 2024.flipped R · 2024−3.1%DR18762024
Presidential margin over time
YearMargin (D minus R)
1876No data
1880No data
1884No data
1888No data
1892+0.3%
1896−23.7%
1900−24.1%
1904−38.0%
1908−21.9%
1912+15.5%
1916−23.0%
1920−50.7%
1924−49.8%
1928−29.0%
1932+4.3%
1936+17.0%
1940+3.7%
1944+0.2%
1948−3.5%
1952−19.9%
1956−15.3%
1960−6.2%
1964+21.4%
1968−1.8%
1972−14.7%
1976−4.1%
1980−12.3%
1984−2.8%
1988+10.3%
1992+12.4%
1996+15.7%
2000+10.5%
2004+6.0%
2008+17.2%
2012+14.9%
2016−0.1%
2020+1.9%
2024−3.1%
DemocraticRepublican
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−3.1%
88,78194,611187,029
D
+1.9%
96,69493,004194,161
R
−0.1%
84,68084,939184,448
D
+14.9%
106,64878,644188,453
D
+17.2%
109,20576,825188,405
D
+6.0%
98,39187,238186,909
D
+10.5%
90,13572,579167,451
D
+15.7%
82,99558,458155,951
D
+12.4%
86,24464,028179,612
D
+10.3%
90,38773,478164,913
R
−2.8%
87,41992,566181,073
R
−12.3%
67,77489,139173,063
R
−4.1%
79,67786,693169,117
R
−14.7%
68,18491,931161,910
R
−1.8%
70,70073,555156,489
D
+21.4%
89,78058,066147,930
R
−6.2%
70,66480,030150,876
R
−15.3%
59,43280,935140,701
R
−19.9%
56,92385,369142,927
R
−3.5%
52,80956,664110,723
D
+0.2%
61,47161,201123,082
D
+3.7%
70,54765,440136,583
D
+17.0%
69,71949,159121,150
D
+4.3%
55,99451,235110,038
R
−29.0%
35,45064,585100,614
R
−49.8%
11,62157,70092,489
R
−50.7%
14,78556,05181,443
R
−23.0%
24,77641,21271,520
O
+15.5%
13,4506,78043,127
R
−21.9%
14,86024,29943,159
R
−38.0%
9,86325,50241,182
R
−24.1%
14,86224,82241,329
R
−23.7%
14,02423,03938,000
D
+0.3%
14,88414,78631,300
No data
No data
No data
No data

Demographics

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
24.8%
Irish
13.1%
English
10.1%
American
3.8%
Italian
2.6%
Polish
1.8%
Scottish
1.7%
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
Language at home
Population aged 5 and older
90.9%
speak English only
Spanish4.6%
Other Indo-European1.9%
Asian & Pacific Islander1.4%
Other languages1.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
13.3%
Mainline Protestant
9.0%
Other Christian
5.2%
Methodist
3.5%
Baptist
3.2%
Pentecostal & Holiness
1.7%
Non-Christian
1.1%
Source · 2020 US Religion Census. Remaining 63.1% of residents not counted as adherents by any reporting body.

Straddling the Mississippi River across Iowa and Illinois, this metro has tracked closely with national presidential margins for decades, making it a reliable bellwether for Midwestern working-class voter shifts.

Across the recorded series it reached a Democratic high of twenty-one points in 1964 and a Republican high of fifty-one points in 1920. Between 2020 and 2024 the metro moved five points toward the Republican candidate; the 2024 margin was three points.

A population of 381,503, a 78% non-Hispanic-white share, and a median household income of $73,139 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.
Davenport-Moline-Rock Island, IA-IL, Illinois. Akashic. https://akashic.app/cbsa/19340/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Davenport-Moline-Rock Island, IA-IL, Illinois vote in 2024?
In 2024, Davenport-Moline-Rock Island, IA-IL, Illinois voted Republican by 3.1 points (R+3), carried by the Republican candidate. Out of 187,029 votes cast, 88,781 went Democratic and 94,611 went Republican.
What is Davenport-Moline-Rock Island, IA-IL, Illinois's political typology?
Akashic places Davenport-Moline-Rock Island, IA-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 14 times, Republican 19 times, and other 1 times.
When did Davenport-Moline-Rock Island, IA-IL, Illinois last vote Democratic?
The most recent presidential election in which Davenport-Moline-Rock Island, IA-IL, Illinois voted Democratic was 2020.
How many people live in Davenport-Moline-Rock Island, IA-IL, Illinois?
Davenport-Moline-Rock Island, IA-IL, Illinois has a population of 381,503 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Davenport-Moline-Rock Island, IA-IL, Illinois?
Median household income in Davenport-Moline-Rock Island, IA-IL, Illinois is $73,139 — below the national median of $80,734. The Illinois state median is $75,059.
What is the political history of Davenport-Moline-Rock Island, IA-IL, Illinois?
Akashic tracks 38 presidential elections in Davenport-Moline-Rock Island, IA-IL, Illinois from 1876 to 2024. Of those, 14 went Democratic and 19 went Republican. The metro's typology — "Industrial Catholic Metro" — captures where that record, its demographics, and its recent swing place it among American communities.