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Iowa

Buchanan County, Iowa presidential election results

In 2024 Donald J. Trump won Buchanan County by 28.2 points, out of 10,714 votes for president.

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D+30R+30D+15R+152000: D+10.120002004: D+7.720042008: D+18.520082012: D+13.920122016: R+15.020162020: R+20.920202024: R+28.22024
Buchanan County margin: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.
TicketVotesShareBar
Donald J. Trump REP6,79063.4%
Kamala Harris DEM3,76635.2%
Robert F. Kennedy Jr and Nicole Shanahan, WTP1041.0%
Chase Oliver and Mike ter Maat, LIB450.4%
Claudia De la Cruz and Karina Garcia, PSL40.0%
William P. Stodden and Stephanie H. Cholensky, SOC30.0%
Shiva Ayyadurai and Crystal Ellis20.0%
Total10,856

Buchanan County was R+28.2 against R+13.2 statewide, 15.0 points more Republican 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 REP6,42059.6%
Joseph R. Biden DEM4,16938.7%
Jo Jorgensen and Jeremy Cohen, LIB960.9%
Kanye West and Michelle Tidball220.2%
Howie Hawkins and Angela Nicole Walker, GRN200.2%
Don Blankenship and William Alan Mohr, CON190.2%
Roque Rocky De La Fuente and Darcy G. Richardson, ALL140.1%
Ricki Sue King and Dayna R. Chandler, GKH40.0%
Brock Pierce and Karla Ballard00.0%
Total10,879

Buchanan County was R+20.9 against R+8.2 statewide, 12.7 points more Republican 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 REP5,51053.7%
Hillary Clinton DEM3,97038.7%
All other candidates7727.5%
Total10,252

Buchanan County was R+15.0 against R+9.4 statewide, 5.6 points more Republican 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 DEM5,91156.1%
Mitt Romney REP4,45042.2%
All other candidates1741.7%
Total10,535

Buchanan County was D+13.9 against D+5.8 statewide, 8.1 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 DEM6,05058.5%
John McCain REP4,13940.0%
All other candidates1491.4%
Total10,338

Buchanan County was D+18.5 against D+9.5 statewide, 9.0 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 DEM5,60853.5%
George W. Bush REP4,79745.8%
All other candidates700.7%
Total10,475

Buchanan County was D+7.7 against R+0.7 statewide, 8.4 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. DEM5,04553.6%
George W. Bush REP4,09243.5%
All other candidates2732.9%
Total9,410

Buchanan County was D+10.1 against D+0.3 statewide, 9.8 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 Buchanan County, Iowa in 2024?

Donald J. Trump won Buchanan County by 28.2 points, out of 10,714 votes counted for president.

Is Buchanan County Republican or Democratic?

Presidential results: 2024: Republican by 28.2 points; 2020: Republican by 20.9 points; 2016: Republican by 15.0 points; 2012: Democratic by 13.9 points; 2008: Democratic by 18.5 points; 2004: Democratic by 7.7 points; 2000: Democratic by 10.1 points.

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

In 2024 it was 15.0 points more Republican than the state as a whole (Republican by 28.2 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