2010Flipped from DemocraticFinal results
2010 election for Wisconsin's 7th District
U.S. House · Wisconsin
Sean P. Duffy (R) won with 52.2% of the vote, defeating Julie M. Lassa (D) by 7.7 points, a seat Democrats won last time.
Sean P. DuffyRepublican · winner
52.2%132,551
Julie M. LassaDemocrat
44.5%113,018
Gary KautherIndependent
3.3%8,397
253,966 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 2010
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.
Julie M. LassaSean P. Duffy
$1.3M
Raised by the campaign
$2M
$1.3M
Spent by the campaign
$1.9M
$1.2K
Cash on hand
$59K
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010