2002Final results
2002 election for U.S. Senate in Iowa
U.S. Senate · Iowa
Tom Harkin (D) won with 54.2% of the vote, defeating Greg Ganske (R) by 10.4 points.
Tom HarkinDemocrat · winner
54.2%554,278
Greg GanskeRepublican
43.8%447,892
Timothy A. HarthanGreen
1.1%11,340
Richard J. MooreLibertarian
0.9%8,864
1,023,075 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 2002
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Tom HarkinGreg Ganske
$6.8M
Raised by the campaign
$5.4M
$6.9M
Spent by the campaign
$5.4M
$332.2K
Cash on hand
$57.1K
Campaign money: FEC, through Dec 31, 2002.
Source: FEC campaign filingsUpdated Dec 31, 2002
The candidates
Tom Harkin (D)Greg Ganske (R)
Also on the ballot: Timothy A. Harthan (Green), 1.1%; Richard J. Moore (Libertarian), 0.9%