HarrisDemocratic47.5%88,781TrumpRepublican50.6%94,611OtherAll other candidates1.9%3,637
R+3.1- Lead
- 5,830
- Total
- 187,029
- vs nation
- R+1.6
Akashicmetro area
Davenport-Moline-Rock Island, IA-IL
Office (updates table and map)
President margin by year
Place winner margin
4 counties by 2024 margin · County returns · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic49.8%96,694TrumpRepublican47.9%93,004OtherAll other candidates2.3%4,463
D+1.9- Lead
- 3,690
- Total
- 194,161
- vs nation
- R+2.6
ClintonDemocratic45.9%84,680TrumpRepublican46.1%84,939OtherAll other candidates8.0%14,829
R+0.1- Lead
- 259
- Total
- 184,448
- vs nation
- R+2.2
ObamaDemocratic56.6%106,648RomneyRepublican41.7%78,644OtherAll other candidates1.7%3,161
D+14.9- Lead
- 28,004
- Total
- 188,453
- vs nation
- D+11.0
ObamaDemocratic58.0%109,205McCainRepublican40.8%76,825OtherAll other candidates1.3%2,375
D+17.2- Lead
- 32,380
- Total
- 188,405
- vs nation
- D+9.9
KerryDemocratic52.6%98,391BushRepublican46.7%87,238OtherAll other candidates0.7%1,280
D+6.0- Lead
- 11,153
- Total
- 186,909
- vs nation
- D+8.4
GoreDemocratic53.8%90,135BushRepublican43.3%72,579OtherAll other candidates2.8%4,737
D+10.5- Lead
- 17,556
- Total
- 167,451
- vs nation
- D+10.0
ClintonDemocratic53.2%82,995DoleRepublican37.5%58,458OtherAll other candidates9.3%14,498
D+15.7- Lead
- 24,537
- Total
- 155,951
- vs nation
- D+7.2
Key facts
- 2024 presidential margin
- R+3.1MIT Election Lab
- Population
- 381,5032024 5-year
- Population density
- 168 / sq mi2024 5-year · TIGER/Line
- Land area
- 2,270 sq miTIGER/Line
- Median household income
- $73,1392024 5-year
- White (non-Hispanic)
- 75.3%2024 5-year
- Black
- 7.5%2024 5-year
- Hispanic / Latino
- 9.7%2024 5-year
- Peak Democratic margin
- D+21.4 in 1964MIT Election Lab
- Peak Republican margin
- R+50.7 in 1920MIT Election Lab
- Most similar
- Cedar Rapids, IA · twin score 92.0
presidential history
Party record book
Davenport-Moline-Rock Island, IA-IL · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
60.7%
89,780 votes · D+21.4
Runner-up · Barack Obama, 2008 · 58.0%
Republican
Warren G. Harding1920
68.8%
56,051 votes · R+50.7
Runner-up · Herbert Hoover, 1928 · 64.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
109,205votes
58.0% of the vote · D+17.2
Runner-up · Barack Obama, 2012 · 106,648 votes
Republican
Donald Trump2024
94,611votes
50.6% of the vote · R+3.1
Runner-up · Donald Trump, 2020 · 93,004 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Michael Dukakis1988
+18.0pts D vs U.S.
Place D+10.3 · U.S. R+7.7
Runner-up · Walter Mondale, 1984 · +15.4 pts
Republican
Charles E. Hughes1916
+26.1pts R vs U.S.
Place R+23.0 · U.S. D+3.1
Runner-up · Calvin Coolidge, 1924 · +24.6 pts
U.S. House elections · 3 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
On a multi-state Place, each row sums votes cast in the separate U.S. House races held inside the Place that year. It is a geographic vote total, not one contest or a seat tally.
voter registration
Registered voters
By party of registration, over time
Party registration · 2014D+5.0
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.
| 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
| 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.
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Cedar Rapids, IA
92.0twin score
2000–2012 trajectory
Janesville-Beloit, WI
90.6twin score
2000–2012 trajectory≠ Norwegian ancestry
Waterloo-Cedar Falls, IA
89.2twin score
2000–2012 trajectory≠ % unaffiliated
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 →
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.
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Places within Davenport-Moline-Rock Island, IA-IL
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+3.1), 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.