2006Final results
2006 election for Wisconsin's 4th District
U.S. House · Wisconsin
Gwen Moore (D) won with 71.3% of the vote, defeating Perfecto Rivera (R) by 42.9 points.
Gwen MooreDemocrat · winner
71.3%136,735
Perfecto RiveraRepublican
28.4%54,486
191,742 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 2006
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.
Gwen MoorePerfecto Rivera
$565.4K
Raised by the campaign
$39.6K
$668.9K
Spent by the campaign
$39.5K
$49.1K
Cash on hand
$0
Campaign money: FEC, through Dec 31, 2006.
Source: FEC campaign filingsUpdated Dec 31, 2006