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Iowa

Johnson County, Iowa presidential election results

In 2024 Kamala Harris won Johnson County by 38.1 points, out of 86,068 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 (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 County: Kamala Harris +38.1Keokuk (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: D+25.220002004: D+29.320042008: D+41.520082012: D+35.520122016: D+37.820162020: D+43.420202024: D+38.12024
Johnson County margin: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.
TicketVotesShareBar
Kamala Harris DEM58,84668.4%
Donald J. Trump REP26,08730.3%
Robert F. Kennedy Jr and Nicole Shanahan, WTP4840.6%
Chase Oliver and Mike ter Maat, LIB4020.5%
Claudia De la Cruz and Karina Garcia, PSL2180.3%
William P. Stodden and Stephanie H. Cholensky, SOC170.0%
Shiva Ayyadurai and Crystal Ellis140.0%
Total87,107

Johnson County was D+38.1 against R+13.2 statewide, 51.3 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
Joseph R. Biden DEM59,17770.8%
Donald J. Trump REP22,92527.4%
Jo Jorgensen and Jeremy Cohen, LIB9641.2%
Howie Hawkins and Angela Nicole Walker, GRN2130.3%
Kanye West and Michelle Tidball1700.2%
Don Blankenship and William Alan Mohr, CON620.1%
Roque Rocky De La Fuente and Darcy G. Richardson, ALL220.0%
Ricki Sue King and Dayna R. Chandler, GKH190.0%
Brock Pierce and Karla Ballard180.0%
Total84,198

Johnson County was D+43.4 against R+8.2 statewide, 51.6 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
Hillary Clinton DEM50,20065.2%
Donald J. Trump REP21,04427.4%
All other candidates5,6967.4%
Total76,940

Johnson County was D+37.8 against R+9.4 statewide, 47.2 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 DEM50,66666.7%
Mitt Romney REP23,69831.2%
All other candidates1,6132.1%
Total75,977

Johnson County was D+35.5 against D+5.8 statewide, 29.7 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 DEM51,02769.9%
John McCain REP20,73228.4%
All other candidates1,2161.7%
Total72,975

Johnson County was D+41.5 against D+9.5 statewide, 32.0 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 DEM41,84764.0%
George W. Bush REP22,71534.7%
All other candidates8111.2%
Total65,373

Johnson County was D+29.3 against R+0.7 statewide, 30.0 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
Albert Gore, Jr. DEM31,17459.1%
George W. Bush REP17,89933.9%
All other candidates3,6967.0%
Total52,769

Johnson County was D+25.2 against D+0.3 statewide, 24.9 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)

Questions and answers

Who won Johnson County, Iowa in 2024?

Kamala Harris won Johnson County by 38.1 points, out of 86,068 votes counted for president.

Is Johnson County Republican or Democratic?

Presidential results: 2024: Democratic by 38.1 points; 2020: Democratic by 43.4 points; 2016: Democratic by 37.8 points; 2012: Democratic by 35.5 points; 2008: Democratic by 41.5 points; 2004: Democratic by 29.3 points; 2000: Democratic by 25.2 points.

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

In 2024 it was 51.3 points more Democratic than the state as a whole (Democratic by 38.1 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