2004Final results
2004 election for President in Iowa
President · Iowa
George W. Bush (R) won with 49.9% of the vote, defeating John Kerry (D) by 0.7 points.
George W. BushRepublican · winner
49.9%751,957
John KerryDemocrat
49.2%741,898
Michael BadnarikLibertarian
0.2%2,992
Michael PeroutkaConstitution
0.1%1,304
David CobbGreen
0.1%1,141
Roger CaleroSocialist Workers
0.0%373
1,506,908 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 2004
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The candidates
George W. Bush (R)John Kerry (D)
Also on the ballot: Michael Badnarik (Libertarian), 0.2%; Michael Peroutka (Constitution), 0.1%; David Cobb (Green), 0.1%; Roger Calero (Socialist Workers), 0.0%