1998Final results
1998 election for U.S. Senate in Wisconsin
U.S. Senate · Wisconsin
Russell Feingold (D) won with 50.6% of the vote, defeating Mark Neumann (R) by 2.1 points.
Russell FeingoldDemocrat · winner
50.6%890,059
Mark NeumannRepublican
48.4%852,272
Robert R. RaymondConstitution
0.5%7,942
Tom EnderLibertarian
0.3%5,591
Eugene A. HemIndependent
0.2%4,266
1,760,130 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 1998
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 FeingoldMark Neumann
$4.1M
Raised by the campaign
$4.4M
$3.8M
Spent by the campaign
$4.4M
$723.7K
Cash on hand
$77.9K
Campaign money: FEC, through Dec 31, 1998.
Source: FEC campaign filingsUpdated Dec 31, 1998
The candidates
Russell Feingold (D)Mark Neumann (R)
Also on the ballot: Robert R. Raymond (Constitution), 0.5%; Tom Ender (Libertarian), 0.3%; Eugene A. Hem (Independent), 0.2%