HarrisDemocratic44.9%23,705TrumpRepublican53.5%28,224OtherAll other candidates1.6%841
R+8.6- Lead
- 4,519
- Total
- 52,770
- vs nation
- R+7.1
Akashicmetro area
Dubuque, IA
Office (updates table and map)
President margin by year
Place winner margin
1 counties by 2024 margin · County returns · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic47.6%25,657TrumpRepublican50.5%27,214OtherAll other candidates2.0%1,055
R+2.9- Lead
- 1,557
- Total
- 53,926
- vs nation
- R+7.3
ClintonDemocratic45.5%22,850TrumpRepublican46.7%23,460OtherAll other candidates7.8%3,911
R+1.2- Lead
- 610
- Total
- 50,221
- vs nation
- R+3.3
ObamaDemocratic56.5%28,768RomneyRepublican41.8%21,280OtherAll other candidates1.7%846
D+14.7- Lead
- 7,488
- Total
- 50,894
- vs nation
- D+10.9
ObamaDemocratic59.7%28,611McCainRepublican38.9%18,651OtherAll other candidates1.4%691
D+20.8- Lead
- 9,960
- Total
- 47,953
- vs nation
- D+13.5
KerryDemocratic56.5%26,561BushRepublican42.7%20,100OtherAll other candidates0.8%382
D+13.7- Lead
- 6,461
- Total
- 47,043
- vs nation
- D+16.2
GoreDemocratic55.4%22,341BushRepublican40.8%16,462OtherAll other candidates3.8%1,520
D+14.6- Lead
- 5,879
- Total
- 40,323
- vs nation
- D+14.1
ClintonDemocratic54.8%20,839DoleRepublican35.2%13,391OtherAll other candidates10.0%3,821
D+19.6- Lead
- 7,448
- Total
- 38,051
- vs nation
- D+11.1
Key facts
- 2024 presidential margin
- R+8.6MIT Election Lab
- Population
- 99,0302024 5-year
- Population density
- 163 / sq mi2024 5-year · TIGER/Line
- Land area
- 608 sq miTIGER/Line
- Median household income
- $77,6302024 5-year
- White (non-Hispanic)
- 88.3%2024 5-year
- Black
- 2.9%2024 5-year
- Hispanic / Latino
- 3.3%2024 5-year
- Peak Democratic margin
- D+46.2 in 1932MIT Election Lab
- Peak Republican margin
- R+22.9 in 1920MIT Election Lab
- Most similar
- Cedar Rapids, IA · twin score 80.9
presidential history
Party record book
Dubuque, IA · 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
Franklin D. Roosevelt1932
71.2%
19,210 votes · D+46.2
Runner-up · Lyndon B. Johnson, 1964 · 70.1%
Republican
Warren G. Harding1920
59.2%
12,436 votes · R+22.9
Runner-up · Dwight D. Eisenhower, 1956 · 57.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2012
28,768votes
56.5% of the vote · D+14.7
Runner-up · Barack Obama, 2008 · 28,611 votes
Republican
Donald Trump2024
28,224votes
53.5% of the vote · R+8.6
Runner-up · Donald Trump, 2020 · 27,214 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
Al Smith1928
+50.6pts D vs U.S.
Place D+33.1 · U.S. R+17.5
Runner-up · Michael Dukakis, 1988 · +31.8 pts
Republican
Wendell Willkie1940
+12.7pts R vs U.S.
Place R+2.8 · U.S. D+9.9
Runner-up · Donald Trump, 2020 · +7.3 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
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
voter registration
Registered voters
By party of registration, over time
Party registration · 2024D+3.7
Presidential vote · 2024R+8.6
Dubuque, IA registers Democratic but votes Republican — a 12-point gap between how voters register and how they vote, the signature of ancestral registration that trails realignment.
DemocraticRepublicanUnaffiliatedOther parties
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 64,903 | 27,811 | 13,750 | 23,328 | 14 |
| 2010 | 63,916 | 26,907 | 14,323 | 22,656 | 30 |
| 2012 | 67,553 | 26,992 | 15,878 | 24,592 | 91 |
| 2014 | 68,093 | 26,875 | 16,162 | 24,865 | 191 |
| 2016 | 69,564 | 28,054 | 17,438 | 23,723 | 349 |
| 2018 | 69,850 | 27,665 | 17,179 | 24,451 | 555 |
| 2020 | 72,152 | 29,007 | 20,904 | 21,633 | 608 |
| 2022 | 71,290 | 27,207 | 21,001 | 22,425 | 657 |
| 2024 | 71,627 | 25,123 | 22,507 | 23,243 | 754 |
domestic migration
Who moves in and out
Net domestic migration over time
+177 net domestic migration · 2025
20112025
Net −747 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | +265 |
| 2012 | +234 |
| 2013 | +433 |
| 2014 | +127 |
| 2015 | +21 |
| 2016 | −574 |
| 2017 | −48 |
| 2018 | −465 |
| 2019 | +106 |
| 2021 | −572 |
| 2022 | −273 |
| 2023 | −36 |
| 2024 | −142 |
| 2025 | +177 |
Dubuque's dense Catholic parish network and working-class manufacturing base have historically anchored Democratic margins, but the area has trended Republican in presidential cycles over the past decade, mirroring broader shifts among non-college white voters.
Across the recorded series it reached a Democratic high of 46.2 points in 1932 and a Republican high of 22.9 points in 1920. Between 2020 and 2024 the metro moved 5.7 points toward the Republican candidate; the 2024 margin was 8.6 points.
A population of 99,030, a 88% non-Hispanic-white share, and a median household income of $77,630 describe the metro. The metro's voting pattern over the last decade is most similar to that of Cedar Rapids, IA and Platteville, WI.
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Cedar Rapids, IA
80.9twin score
2000–2012 trajectory≠ % Catholic
Platteville, WI
80.8twin score
2004–2012 trajectory% Catholic≠ elasticity
Waterloo-Cedar Falls, IA
80.7twin score
2000–2012 trajectory≠ % Catholic
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.
Dubuque, IA, Iowa. Akashic. https://akashic.app/cbsa/20220/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Dubuque, IA, Iowa vote in 2024?
In 2024, Dubuque, IA, Iowa voted Republican by 8.6 points (R+8.6), carried by the Republican candidate. Out of 52,770 votes cast, 23,705 went Democratic and 28,224 went Republican.
When did Dubuque, IA, Iowa last vote Democratic?
The most recent presidential election in which Dubuque, IA, Iowa voted Democratic was 2012.
How many people live in Dubuque, IA, Iowa?
Dubuque, IA, Iowa has a population of 99,030 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Dubuque, IA, Iowa?
Median household income in Dubuque, IA, Iowa is $77,630 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Dubuque, IA, Iowa?
Akashic tracks 34 presidential elections in Dubuque, IA, Iowa from 1892 to 2024. Of those, 25 went Democratic and 8 went Republican.