2004Final results
2004 election for U.S. Senate in Wisconsin
U.S. Senate · Wisconsin
Russell Feingold (D) won with 55.4% of the vote, defeating Tim Michels (R) by 11.2 points.
Russell FeingoldDemocrat · winner
55.4%1,632,697
Tim MichelsRepublican
44.1%1,301,183
Arif KhanLibertarian
0.3%8,367
Eugene A. HemIndependent
0.2%6,662
2,948,909 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
Money in this race
Each line compares the two campaigns on one scale.
Russell FeingoldTim Michels
$8.4M
Raised by the campaign
$5.5M
$9.2M
Spent by the campaign
$5.5M
$460.4K
Cash on hand
$5.8K
Other candidates' campaigns: Arif Khan $4.9K.
Campaign money: FEC, through Dec 31, 2004.
Source: FEC campaign filingsUpdated Dec 31, 2004
The candidates
Russell Feingold (D)Tim Michels (R)
Also on the ballot: Arif Khan (Libertarian), 0.3%; Eugene A. Hem (Independent), 0.2%