HarrisDemocratic43.3%160,580TrumpRepublican54.8%203,383OtherAll other candidates1.9%7,095
R+11.5- Lead
- 42,803
- Total
- 371,058
- vs nation
- R+10.1
Akashicmedia market
Davenport-Rock Island-Moline
Office (updates table and map)
President margin by year
Place winner margin
17 counties by 2024 margin · County returns · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic45.7%176,560TrumpRepublican52.0%201,015OtherAll other candidates2.2%8,626
R+6.3- Lead
- 24,455
- Total
- 386,201
- vs nation
- R+10.8
ClintonDemocratic43.1%157,942TrumpRepublican49.0%179,618OtherAll other candidates7.9%28,969
R+5.9- Lead
- 21,676
- Total
- 366,529
- vs nation
- R+8.0
ObamaDemocratic55.9%209,591RomneyRepublican42.2%158,280OtherAll other candidates1.8%6,830
D+13.7- Lead
- 51,311
- Total
- 374,701
- vs nation
- D+9.8
ObamaDemocratic57.4%216,135McCainRepublican41.1%154,765OtherAll other candidates1.4%5,439
D+16.3- Lead
- 61,370
- Total
- 376,339
- vs nation
- D+9.0
KerryDemocratic52.0%196,424BushRepublican47.2%178,110OtherAll other candidates0.8%2,846
D+4.9- Lead
- 18,314
- Total
- 377,380
- vs nation
- D+7.3
GoreDemocratic52.6%179,430BushRepublican44.4%151,564OtherAll other candidates3.0%10,248
D+8.2- Lead
- 27,866
- Total
- 341,242
- vs nation
- D+7.6
ClintonDemocratic52.3%168,000DoleRepublican37.3%119,948OtherAll other candidates10.4%33,508
D+14.9- Lead
- 48,052
- Total
- 321,456
- vs nation
- D+6.4
Key facts
- 2024 presidential margin
- R+11.5MIT Election Lab
- Population
- 755,8152024 5-year
- Population density
- 79 / sq mi2024 5-year · TIGER/Line
- Land area
- 9,528 sq miTIGER/Line
- Median household income
- $69,8972024 5-year
- White (non-Hispanic)
- 79.5%2024 5-year
- Black
- 5.2%2024 5-year
- Hispanic / Latino
- 9.1%2024 5-year
- Peak Democratic margin
- D+16.3 in 2008MIT Election Lab
- Peak Republican margin
- R+52.1 in 1920MIT Election Lab
- Most similar
- Toledo, OH · twin score 88.1
presidential history
Party record book
Davenport-Rock Island-Moline · 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
58.0%
190,381 votes · D+16.2
Runner-up · Barack Obama, 2008 · 57.4%
Republican
Warren G. Harding1920
71.2%
151,574 votes · R+52.1
Runner-up · Herbert Hoover, 1928 · 66.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
216,135votes
57.4% of the vote · D+16.3
Runner-up · Barack Obama, 2012 · 209,591 votes
Republican
Dwight D. Eisenhower1952
213,382votes
63.9% of the vote · R+28.2
Runner-up · Richard Nixon, 1972 · 205,118 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
+13.9pts D vs U.S.
Place D+6.2 · U.S. R+7.7
Runner-up · Barack Obama, 2012 · +9.8 pts
Republican
Warren G. Harding1920
+25.9pts R vs U.S.
Place R+52.1 · U.S. R+26.2
Runner-up · Charles E. Hughes, 1916 · +25.3 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+5.9
Presidential vote · 2024R+11.5
Davenport-Rock Island-Moline registers Democratic but votes Republican — a 17-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) | 248,630 | 86,614 | 63,709 | 98,252 | 55 |
| 2010 (partial) | 251,368 | 85,499 | 66,126 | 99,622 | 121 |
| 2012 (partial) | 259,411 | 86,236 | 68,425 | 104,544 | 206 |
| 2014 (partial) | 255,689 | 82,690 | 67,724 | 104,676 | 599 |
domestic migration
Who moves in and out
Net domestic migration over time
−757 net domestic migration · 2025
20112025
Net −46,062 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | −1,785 |
| 2012 | −2,121 |
| 2013 | −2,040 |
| 2014 | −4,198 |
| 2015 | −4,993 |
| 2016 | −5,342 |
| 2017 | −4,767 |
| 2018 | −4,458 |
| 2019 | −3,723 |
| 2021 | −3,040 |
| 2022 | −5,013 |
| 2023 | −2,403 |
| 2024 | −1,422 |
| 2025 | −757 |
Straddling two states along the Mississippi, the Quad Cities market blends blue-collar manufacturing towns with growing suburban tracts, producing competitive margins that make it a reliable bellwether in both Iowa and Illinois contests.
Across the recorded series it reached a Democratic high of 16.3 points in 2008 and a Republican high of 52.1 points in 1920. Between 2020 and 2024 the market moved 5.2 points toward the Republican candidate; the 2024 margin was 11.5 points.
A population of 755,815, a 80% non-Hispanic-white share, and a median household income of $69,897 describe the market. The market's voting pattern over the last decade is most similar to that of Toledo and Flint-Saginaw-Bay City.
Political twins — media markets
The media markets whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Toledo
Ohio
88.1twin score
12-yr trend2008–2012 trajectoryelasticity≠ Polish ancestry
Flint-Saginaw-Bay City
Michigan
84.0twin score
12-yr trend2000–2008 trajectory≠ Polish ancestry
Cedar Rapids-Waterloo-Iowa City & Dubuque
Iowa
83.0twin score
2000–2012 trajectory≠ college share
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-Rock Island-Moline, Illinois. Akashic. https://akashic.app/dma/682/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Davenport-Rock Island-Moline
Frequently asked questions
How did Davenport-Rock Island-Moline, Illinois vote in 2024?
In 2024, Davenport-Rock Island-Moline, Illinois voted Republican by 11.5 points (R+11.5), carried by the Republican candidate. Out of 371,058 votes cast, 160,580 went Democratic and 203,383 went Republican.
When did Davenport-Rock Island-Moline, Illinois last vote Democratic?
The most recent presidential election in which Davenport-Rock Island-Moline, Illinois voted Democratic was 2012.
How many people live in Davenport-Rock Island-Moline, Illinois?
Davenport-Rock Island-Moline, Illinois has a population of 755,815 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Davenport-Rock Island-Moline, Illinois?
Median household income in Davenport-Rock Island-Moline, Illinois is $69,897 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Davenport-Rock Island-Moline, Illinois?
Akashic tracks 34 presidential elections in Davenport-Rock Island-Moline, Illinois from 1892 to 2024. Of those, 10 went Democratic and 23 went Republican.