Skip to content

Iowa

Union County, Iowa presidential election results

In 2024 Donald J. Trump won Union County by 36.2 points, out of 5,996 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 County: Donald J. Trump +36.2Warren (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 (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+40R+40D+20R+202000: R+8.020002004: R+6.920042008: D+3.720082012: D+3.920122016: R+27.420162020: R+31.620202024: R+36.12024
Union County margin: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.
TicketVotesShareBar
Donald J. Trump REP4,04467.4%
Kamala Harris DEM1,87431.3%
Robert F. Kennedy Jr and Nicole Shanahan, WTP530.9%
Chase Oliver and Mike ter Maat, LIB190.3%
William P. Stodden and Stephanie H. Cholensky, SOC40.1%
Claudia De la Cruz and Karina Garcia, PSL20.0%
Shiva Ayyadurai and Crystal Ellis00.0%
Total6,041

Union County was R+36.1 against R+13.2 statewide, 22.9 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 REP4,01065.0%
Joseph R. Biden DEM2,06133.4%
Jo Jorgensen and Jeremy Cohen, LIB611.0%
Kanye West and Michelle Tidball110.2%
Howie Hawkins and Angela Nicole Walker, GRN100.2%
Roque Rocky De La Fuente and Darcy G. Richardson, ALL60.1%
Don Blankenship and William Alan Mohr, CON60.1%
Ricki Sue King and Dayna R. Chandler, GKH40.1%
Brock Pierce and Karla Ballard20.0%
Total6,211

Union County was R+31.6 against R+8.2 statewide, 23.4 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 REP3,52560.4%
Hillary Clinton DEM1,92233.0%
All other candidates3856.6%
Total5,832

Union County was R+27.4 against R+9.4 statewide, 18.0 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 DEM3,04351.1%
Mitt Romney REP2,81347.2%
All other candidates1011.7%
Total5,957

Union County was D+3.9 against D+5.8 statewide, 1.9 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
Barack Obama DEM3,00050.8%
John McCain REP2,78147.1%
All other candidates1282.2%
Total5,909

Union County was D+3.7 against D+9.5 statewide, 5.8 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 REP3,16552.9%
John Kerry DEM2,74746.0%
All other candidates661.1%
Total5,978

Union County was R+6.9 against R+0.7 statewide, 6.2 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 REP3,00352.3%
Albert Gore, Jr. DEM2,54044.3%
All other candidates1973.4%
Total5,740

Union County was R+8.0 against D+0.3 statewide, 8.3 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)

Questions and answers

Who won Union County, Iowa in 2024?

Donald J. Trump won Union County by 36.2 points, out of 5,996 votes counted for president.

Is Union County Republican or Democratic?

Presidential results: 2024: Republican by 36.1 points; 2020: Republican by 31.6 points; 2016: Republican by 27.4 points; 2012: Democratic by 3.9 points; 2008: Democratic by 3.7 points; 2004: Republican by 6.9 points; 2000: Republican by 8.0 points.

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

In 2024 it was 22.9 points more Republican than the state as a whole (Republican by 36.1 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