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Iowa

Decatur County, Iowa presidential election results

In 2024 Donald J. Trump won Decatur County by 47.1 points, out of 3,727 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 County: Donald J. Trump +47.1Dubuque (no county figures)Franklin (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+50R+50D+25R+252000: R+6.220002004: R+5.820042008: R+0.820082012: R+4.120122016: R+29.320162020: R+39.320202024: R+47.02024
Decatur County margin: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.
TicketVotesShareBar
Donald J. Trump REP2,71172.7%
Kamala Harris DEM95725.7%
Robert F. Kennedy Jr and Nicole Shanahan, WTP421.1%
Chase Oliver and Mike ter Maat, LIB130.3%
William P. Stodden and Stephanie H. Cholensky, SOC20.1%
Shiva Ayyadurai and Crystal Ellis10.0%
Claudia De la Cruz and Karina Garcia, PSL10.0%
Total3,754

Decatur County was R+47.0 against R+13.2 statewide, 33.8 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 REP2,61568.8%
Joseph R. Biden DEM1,12029.5%
Jo Jorgensen and Jeremy Cohen, LIB290.8%
Howie Hawkins and Angela Nicole Walker, GRN110.3%
Kanye West and Michelle Tidball110.3%
Roque Rocky De La Fuente and Darcy G. Richardson, ALL60.2%
Don Blankenship and William Alan Mohr, CON30.1%
Ricki Sue King and Dayna R. Chandler, GKH30.1%
Brock Pierce and Karla Ballard30.1%
Total3,827

Decatur County was R+39.3 against R+8.2 statewide, 31.1 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 REP2,29661.5%
Hillary Clinton DEM1,20132.2%
All other candidates2376.3%
Total3,734

Decatur County was R+29.3 against R+9.4 statewide, 19.9 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
Mitt Romney REP1,94750.8%
Barack Obama DEM1,79146.7%
All other candidates952.5%
Total3,833

Decatur County was R+4.1 against D+5.8 statewide, 9.9 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
John McCain REP2,02049.2%
Barack Obama DEM1,98648.4%
All other candidates962.3%
Total4,102

Decatur County was R+0.8 against D+9.5 statewide, 10.3 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
George W. Bush REP2,08852.1%
John Kerry DEM1,85946.3%
All other candidates641.6%
Total4,011

Decatur County was R+5.8 against R+0.7 statewide, 5.1 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
George W. Bush REP1,90351.3%
Albert Gore, Jr. DEM1,67445.1%
All other candidates1323.6%
Total3,709

Decatur County was R+6.2 against D+0.3 statewide, 6.5 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)

Questions and answers

Who won Decatur County, Iowa in 2024?

Donald J. Trump won Decatur County by 47.1 points, out of 3,727 votes counted for president.

Is Decatur County Republican or Democratic?

Presidential results: 2024: Republican by 47.0 points; 2020: Republican by 39.3 points; 2016: Republican by 29.3 points; 2012: Republican by 4.1 points; 2008: Republican by 0.8 points; 2004: Republican by 5.8 points; 2000: Republican by 6.2 points.

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

In 2024 it was 33.8 points more Republican than the state as a whole (Republican by 47.0 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