Davenport-Moline-Rock Island, IA-IL Metro Area — Elections 1892–2024

—

How it voted

Share of the 2024 vote

Donald Trump ✓Republican	50.6%	94,611
Kamala HarrisDemocratic	47.5%	88,781
Robert F. Kennedy Jr.Independent	1.9%	3,637

D+60

R+60

4 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.

County-level results (4 counties) — table

2024 presidential result by county for Davenport-Moline-Rock Island, IA-IL, IL — winner and D-vs-R margin.
County	Winner	Margin
Henry County, IL	Republican	R+24.4
Mercer County, IL	Republican	R+27.1
Rock Island County, IL	Democratic	D+9.6
Scott County, IA	Republican	R+3.9

34 presidential elections

Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Democratic	Republican	Other	Margin	Total
2024	R	47.5%Harris88,781	50.6%Trump94,611	1.9%Kennedy3,637	−3.1%	187,029
2020	D	49.8%Biden96,694	47.9%Trump93,004	2.3%Jorgensen4,463	+1.9%	194,161
2016	R	45.9%Clinton84,680	46.1%Trump84,939	8.0%Johnson14,829	−0.1%	184,448
2012	D	56.6%Obama106,648	41.7%Romney78,644	1.7%Johnson3,161	+14.9%	188,453
2008	D	58.0%Obama109,205	40.8%McCain76,825	1.3%Nader2,375	+17.2%	188,405
2004	D	52.6%Kerry98,391	46.7%Bush87,238	0.7%Badnarik1,280	+6.0%	186,909
2000	D	53.8%Gore90,135	43.3%Bush72,579	2.8%Nader4,737	+10.5%	167,451
1996	D	53.2%Clinton82,995	37.5%Dole58,458	9.3%Perot14,498	+15.7%	155,951
1992	D	48.0%Clinton86,244	35.6%Bush64,028	16.3%Perot29,340	+12.4%	179,612
1988	D	54.8%Dukakis90,387	44.6%Bush73,478	0.6%Paul1,048	+10.3%	164,913
1984	R	48.3%Mondale87,419	51.1%Reagan92,566	0.6%Bergland1,088	−2.8%	181,073
1980	R	39.2%Carter67,774	51.5%Reagan89,139	9.3%Anderson16,150	−12.3%	173,063
1976	R	47.1%Carter79,677	51.3%Ford86,693	1.6%McCarthy2,747	−4.1%	169,117
1972	R	42.1%McGovern68,184	56.8%Nixon91,931	1.1%Schmitz1,795	−14.7%	161,910
1968	R	45.2%Humphrey70,700	47.0%Nixon73,555	7.8%Wallace12,234	−1.8%	156,489
1964	D	60.7%Johnson89,780	39.3%Goldwater58,066	0.1%Hass84	+21.4%	147,930
1960	R	46.8%Kennedy70,664	53.0%Nixon80,030	0.1%Byrd182	−6.2%	150,876
1956	R	42.2%Stevenson59,432	57.5%Eisenhower80,935	0.2%Andrews334	−15.3%	140,701
1952	R	39.8%Stevenson56,923	59.7%Eisenhower85,369	0.4%Hallinan635	−19.9%	142,927
1948	R	47.7%Truman52,809	51.2%Dewey56,664	1.1%Thurmond1,250	−3.5%	110,723
1944	D	49.9%Roosevelt61,471	49.7%Dewey61,201	0.3%Thomas410	+0.2%	123,082
1940	D	51.7%Roosevelt70,547	47.9%Willkie65,440	0.4%Thomas596	+3.7%	136,583
1936	D	57.5%Roosevelt69,719	40.6%Landon49,159	1.9%Lemke2,272	+17.0%	121,150
1932	D	50.9%Roosevelt55,994	46.6%Hoover51,235	2.6%Thomas2,809	+4.3%	110,038
1928	R	35.2%Smith35,450	64.2%Hoover64,585	0.6%Thomas579	−29.0%	100,614
1924	R	12.6%Davis11,621	62.4%Coolidge57,700	25.0%La Follette23,168	−49.8%	92,489
1920	R	18.2%Cox14,785	68.8%Harding56,051	13.0%Debs10,607	−50.7%	81,443
1916	R	34.6%Wilson24,776	57.6%Hughes41,212	7.7%Benson5,532	−23.0%	71,520
1912	O	31.2%Wilson13,450	15.7%Taft6,780	53.1%Roosevelt22,897	Roosevelt +21.9	43,127
1908	R	34.4%Bryan14,860	56.3%Taft24,299	9.3%Debs4,000	−21.9%	43,159
1904	R	23.9%Parker9,863	61.9%Roosevelt25,502	14.1%Debs5,817	−38.0%	41,182
1900	R	36.0%Bryan14,862	60.1%McKinley24,822	4.0%Woolley1,645	−24.1%	41,329
1896	R	36.9%Bryan14,024	60.6%McKinley23,039	2.5%Palmer937	−23.7%	38,000
1892	D	47.6%Cleveland14,884	47.2%Harrison14,786	5.2%Weaver1,630	+0.3%	31,300

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

voter registration

Registered voters

By party of registration, over time

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

Source: State election authorities

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.

License: CC BY 4.0

Embed this page

A live widget for your site — no API key, attribution built in, CC BY 4.0. All widgets & sizes →

<iframe src="https://akashic.app/embed/cbsa/19340/stat-card/" width="100%" height="200" style="border:0;border-radius:12px;max-width:560px" title="Davenport-Moline-Rock Island, IA-IL — Akashic" loading="lazy"></iframe>

U.S. electionsAll elections →

Presidentevery cycle US Senateevery cycle US Houseevery cycle Governorevery cycle

Places within Davenport-Moline-Rock Island, IA-IL

counties4

Henry County Mercer County Rock Island County Scott County

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.