† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
4 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupDavenport-Moline-Rock Island, IA-ILUnited States
German24.8%12.5%
Irish13.1%9.4%
English10.1%9.5%
Swedish4.3%—
American3.8%5.3%
Italian2.6%4.8%
Polish1.8%2.2%
Norwegian0.9%—
Mexican8.3%11.3%
Puerto Rican0.4%1.8%
African American†6.5%9.9%
African0.7%0.5%
Asian Indian0.8%1.4%
Burmese0.3%—
Filipino0.2%0.9%
Chinese0.2%1.3%
Vietnamese0.2%0.6%
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Davenport-Moline-Rock Island, IA-IL
United States
Median age
40.5
39.1
Age 18–24
8.4%
9.2%
Age 65 and older
19.3%
17.2%
Household economy
Measure
Davenport-Moline-Rock Island, IA-IL
United States
Median household income
$73,139
$84,427
Poverty rate
12.6%
12.5%
Bachelor's degree or higher (25+)
30.0%
35.6%
Languages at home
Measure
Davenport-Moline-Rock Island, IA-IL
United States
Speaks a non-English language at home
9.1%
22.3%
Spanish
4.6%
13.6%
Other languages
1.0%
0.8%
Religious landscape
Measure
Davenport-Moline-Rock Island, IA-IL
United States
Catholic
13.2%
18.6%
Evangelical Protestant
8.5%
16.5%
Unclaimed / not counted
63.0%
51.5%
Mainline Protestant
10.6%
5.2%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Davenport-Moline-Rock Island, IA-IL
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
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
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
R
47.5%Harris88,781
50.6%Trump94,611
1.9%
R+3.1
R+5.0
R+1.6
187,029
D
49.8%Biden96,694
47.9%Trump93,004
2.3%
D+1.9
D+2.0
R+2.6
194,161
R
45.9%Clinton84,680
46.1%Trump84,939
8.0%
R+0.1
R+15.0
R+2.2
184,448
D
56.6%Obama106,648
41.7%Romney78,644
1.7%
D+14.9
R+2.3
D+11.0
188,453
D
58.0%Obama109,205
40.8%McCain76,825
1.3%
D+17.2
D+11.2
D+9.9
188,405
D
52.6%Kerry98,391
46.7%Bush87,238
0.7%
D+6.0
R+4.5
D+8.4
186,909
D
53.8%Gore90,135
43.3%Bush72,579
2.8%
D+10.5
R+5.2
D+10.0
167,451
D
53.2%Clinton82,995
37.5%Dole58,458
9.3%
D+15.7
D+3.4
D+7.2
155,951
D
48.0%Clinton86,244
35.6%Bush64,028
16.3%
D+12.4
D+2.1
D+6.8
179,612
D
54.8%Dukakis90,387
44.6%Bush73,478
0.6%
D+10.3
D+13.1
D+18.0
164,913
R
48.3%Mondale87,419
51.1%Reagan92,566
0.6%
R+2.8
D+9.5
D+15.4
181,073
R
39.2%Carter67,774
51.5%Reagan89,139
9.3%
R+12.3
R+8.2
R+2.6
173,063
R
47.1%Carter79,677
51.3%Ford86,693
1.6%
R+4.1
D+10.5
R+6.2
169,117
R
42.1%McGovern68,184
56.8%Nixon91,931
1.1%
R+14.7
R+12.8
D+8.5
161,910
R
45.2%Humphrey70,700
47.0%Nixon73,555
7.8%
R+1.8
R+23.3
R+1.1
156,489
D
60.7%Johnson89,780
39.3%Goldwater58,066
0.1%
D+21.4
D+27.6
R+1.1
147,930
R
46.8%Kennedy70,664
53.0%Nixon80,030
0.1%
R+6.2
D+9.1
R+6.4
150,876
R
42.2%Stevenson59,432
57.5%Eisenhower80,935
0.2%
R+15.3
D+4.6
D+0.1
140,701
R
39.8%Stevenson56,923
59.7%Eisenhower85,369
0.4%
R+19.9
R+16.4
R+9.1
142,927
R
47.7%Truman52,809
51.2%Dewey56,664
1.1%
R+3.5
R+3.7
R+8.0
110,723
D
49.9%Roosevelt61,471
49.7%Dewey61,201
0.3%
D+0.2
R+3.5
R+7.3
123,082
D
51.7%Roosevelt70,547
47.9%Willkie65,440
0.4%
D+3.7
R+13.2
R+6.2
136,583
D
57.5%Roosevelt69,719
40.6%Landon49,159
1.9%
D+17.0
D+12.6
R+7.3
121,150
D
50.9%Roosevelt55,994
46.6%Hoover51,235
2.6%
D+4.3
D+33.3
R+13.5
110,038
R
35.2%Smith35,450
64.2%Hoover64,585
0.6%
R+29.0
D+20.9
R+11.5
100,614
R
12.6%Davis11,621
62.4%Coolidge57,700
25.0%
R+49.8
D+0.8
R+24.6
92,489
R
18.2%Cox14,785
68.8%Harding56,051
13.0%
R+50.7
R+27.7
R+24.5
81,443
R
34.6%Wilson24,776
57.6%Hughes41,212
7.7%
R+23.0
R+38.4
R+26.1
71,520
O
31.2%Wilson13,450
15.7%Taft6,780
53.1%
Roosevelt +21.9
D+37.3
R+4.1
43,127
R
34.4%Bryan14,860
56.3%Taft24,299
9.3%
R+21.9
D+16.1
R+12.3
43,159
R
23.9%Parker9,863
61.9%Roosevelt25,502
14.1%
R+38.0
R+13.9
R+18.3
41,182
R
36.0%Bryan14,862
60.1%McKinley24,822
4.0%
R+24.1
R+0.4
R+16.6
41,329
R
36.9%Bryan14,024
60.6%McKinley23,039
2.5%
R+23.7
R+24.0
R+17.6
38,000
D
47.6%Cleveland14,884
47.2%Harrison14,786
5.2%
D+0.3
—
R+1.3
31,300
voter registration
Registered voters
By party of registration, over time
Party registration · 2014D+5.0
vs
Presidential vote · 2024R+3.1
Davenport-Moline-Rock Island, IA-IL registers Democratic but votes Republican — a 8.1-point gap between how voters register and how they vote, the signature of ancestral registration that trails realignment.
DemocraticRepublicanUnaffiliatedOther parties
† Some years predate full county coverage; a flagged year sums only the counties reporting it.
Voter registration in Davenport-Moline-Rock Island, IA-IL
Year
Total registered
Democratic
Republican
Unaffiliated
Other
2008 (partial)
120,921
39,209
31,117
50,571
24
2010 (partial)
122,063
39,229
32,280
50,487
67
2012 (partial)
127,832
40,805
33,635
53,284
108
2014 (partial)
127,460
40,053
33,672
53,329
406
domestic migration
Who moves in and out
Net domestic migration over time
−469 net domestic migration · 2025
20112025
Net −20,199 over 2011–2025 · gain loss
Domestic migration in Davenport-Moline-Rock Island, IA-IL in Davenport-Moline-Rock Island, IA-IL: net domestic migration by year
Year
Net domestic migration
2011
−640
2012
+141
2013
−298
2014
−1,753
2015
−2,340
2016
−2,757
2017
−2,335
2018
−1,983
2019
−1,787
2021
−2,080
2022
−2,644
2023
−775
2024
−479
2025
−469
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 21.4 points in 1964 and a Republican high of 50.7 points in 1920. Between 2020 and 2024 the metro moved 5.0 points toward the Republican candidate; the 2024 margin was 3.1 points.
A population of 381,503, a 75% non-Hispanic-white share, and a median household income of $73,139 describe the metro. The metro's voting pattern over the last decade is most similar to that of Cedar Rapids, IA and Janesville-Beloit, WI.
Akashic
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
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 →
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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.
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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+3.1), carried by the Republican candidate. Out of 187,029 votes cast, 88,781 went Democratic and 94,611 went Republican.
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 $83,390.
What is the political history of Davenport-Moline-Rock Island, IA-IL, Illinois?
Akashic tracks 34 presidential elections in Davenport-Moline-Rock Island, IA-IL, Illinois from 1892 to 2024. Of those, 14 went Democratic and 19 went Republican.
