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Iowa

Dubuque County, Iowa presidential election results

In 2024 Donald J. Trump won Dubuque County by 8.6 points, out of 52,566 votes for president.

Audubon (no county figures)Bremer (no county figures)Buena Vista (no county figures)Cedar (no county figures)Clarke (no county figures)Clinton (no county figures)Crawford (no county figures)Delaware (no county figures)Emmet (no county figures)Floyd (no county figures)Hamilton (no county figures)Henry (no county figures)Iowa (no county figures)Jones (no county figures)Linn (no county figures)Madison (no county figures)Marion (no county figures)Montgomery (no county figures)O'Brien (no county figures)Pocahontas (no county figures)Sac (no county figures)Story (no county figures)Union (no county figures)Warren (no county figures)Worth (no county figures)Adair (no county figures)Decatur (no county figures)Dubuque County: Donald J. Trump +8.6Franklin (no county figures)Grundy (no county figures)Guthrie (no county figures)Howard (no county figures)Ida (no county figures)Jefferson (no county figures)Johnson (no county figures)Keokuk (no county figures)Lee (no county figures)Marshall (no county figures)Mills (no county figures)Monroe (no county figures)Muscatine (no county figures)Page (no county figures)Polk (no county figures)Pottawattamie (no county figures)Ringgold (no county figures)Scott (no county figures)Tama (no county figures)Van Buren (no county figures)Washington (no county figures)Winnebago (no county figures)Woodbury (no county figures)Dickinson (no county figures)Plymouth (no county figures)Appanoose (no county figures)Benton (no county figures)Boone (no county figures)Buchanan (no county figures)Butler (no county figures)Carroll (no county figures)Cerro Gordo (no county figures)Clay (no county figures)Clayton (no county figures)Dallas (no county figures)Des Moines (no county figures)Greene (no county figures)Hancock (no county figures)Humboldt (no county figures)Jasper (no county figures)Louisa (no county figures)Mitchell (no county figures)Palo Alto (no county figures)Poweshiek (no county figures)Shelby (no county figures)Wapello (no county figures)Webster (no county figures)Wright (no county figures)Adams (no county figures)Black Hawk (no county figures)Calhoun (no county figures)Cherokee (no county figures)Allamakee (no county figures)Davis (no county figures)Fayette (no county figures)Fremont (no county figures)Hardin (no county figures)Harrison (no county figures)Jackson (no county figures)Kossuth (no county figures)Lyon (no county figures)Monona (no county figures)Osceola (no county figures)Sioux (no county figures)Taylor (no county figures)Wayne (no county figures)Winneshiek (no county figures)Lucas (no county figures)Cass (no county figures)Chickasaw (no county figures)Mahaska (no county figures)
D+30R+30D+15R+152000: D+14.620002004: D+13.820042008: D+20.820082012: D+14.720122016: R+1.220162020: R+2.920202024: R+8.62024
Dubuque County margin: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.
TicketVotesShareBar
Donald J. Trump REP28,22453.7%
Kamala Harris DEM23,70545.1%
Robert F. Kennedy Jr and Nicole Shanahan, WTP3770.7%
Chase Oliver and Mike ter Maat, LIB2030.4%
Claudia De la Cruz and Karina Garcia, PSL400.1%
William P. Stodden and Stephanie H. Cholensky, SOC120.0%
Shiva Ayyadurai and Crystal Ellis50.0%
Total53,057

Dubuque County was R+8.6 against R+13.2 statewide, 4.6 points more Democratic than the state.

Source: Iowa Secretary of State, 2024 General Election Canvass Summary (311 pages); President and Vice President by county (pages 2-28), each county printed as Election Day / Absentee / Total rows

TicketVotesShareBar
Donald J. Trump REP27,21450.6%
Joseph R. Biden DEM25,65747.7%
Jo Jorgensen and Jeremy Cohen, LIB5561.0%
Howie Hawkins and Angela Nicole Walker, GRN1250.2%
Kanye West and Michelle Tidball1150.2%
Don Blankenship and William Alan Mohr, CON580.1%
Roque Rocky De La Fuente and Darcy G. Richardson, ALL300.1%
Brock Pierce and Karla Ballard140.0%
Ricki Sue King and Dayna R. Chandler, GKH130.0%
Total54,185

Dubuque County was R+2.9 against R+8.2 statewide, 5.3 points more Democratic than the state.

Source: Iowa Secretary of State, General Election - 2020 Canvass Summary (369 pages); President and Vice President by county (from page 2), each county printed as Election Day / Absentee / Total rows

TicketVotesShareBar
Donald J. Trump REP23,46047.2%
Hillary Clinton DEM22,85046.0%
All other candidates3,4116.9%
Total49,721

Dubuque County was R+1.2 against R+9.4 statewide, 8.2 points more Democratic than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

TicketVotesShareBar
Barack Obama DEM28,76856.5%
Mitt Romney REP21,28041.8%
All other candidates8461.7%
Total50,894

Dubuque County was D+14.7 against D+5.8 statewide, 8.9 points more Democratic than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

TicketVotesShareBar
Barack Obama DEM28,61159.7%
John McCain REP18,65138.9%
All other candidates6911.4%
Total47,953

Dubuque County was D+20.8 against D+9.5 statewide, 11.3 points more Democratic than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

TicketVotesShareBar
John Kerry DEM26,56156.5%
George W. Bush REP20,10042.7%
All other candidates3820.8%
Total47,043

Dubuque County was D+13.8 against R+0.7 statewide, 14.5 points more Democratic than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

TicketVotesShareBar
Albert Gore, Jr. DEM22,34155.4%
George W. Bush REP16,46240.8%
All other candidates1,5203.8%
Total40,323

Dubuque County was D+14.6 against D+0.3 statewide, 14.3 points more Democratic than the state.

Source: MIT Election Data and Science Lab, County Presidential Election Returns 2000-2016 (compiled from official state election records)

Questions and answers

Who won Dubuque County, Iowa in 2024?

Donald J. Trump won Dubuque County by 8.6 points, out of 52,566 votes counted for president.

Is Dubuque County Republican or Democratic?

Presidential results: 2024: Republican by 8.6 points; 2020: Republican by 2.9 points; 2016: Republican by 1.2 points; 2012: Democratic by 14.7 points; 2008: Democratic by 20.8 points; 2004: Democratic by 13.8 points; 2000: Democratic by 14.6 points.

How does Dubuque County vote compared with the rest of Iowa?

In 2024 it was 4.6 points more Democratic than the state as a whole (Republican by 8.6 points against Republican by 13.2 points statewide).

Official results As published by The American Presidency Project (UC Santa Barbara) and the state documents it links. How we use this data