This is the 2010 race. The latest: 2026 →

2010Final results

2010 election for Wisconsin's 5th District

U.S. House · Wisconsin

F. James Sensenbrenner, Jr. (R) won with 69.4% of the vote, defeating Todd P. Kolosso (D) by 42.0 points.

F. James Sensenbrenner, Jr.Republican · winner
69.4%229,642
27.4%90,634
3.3%10,813
331,089 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

EvenD+55.72000R+34.82004R+26.12006R+42.02010R+35.72012R+39.12014

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.

Todd P. KolossoF. James Sensenbrenner, Jr.
$175.5K
Raised by the campaign
$419.1K
$175.5K
Spent by the campaign
$471.7K
$0
Cash on hand
$353.8K

Campaign money: FEC, through Nov 22, 2010; FEC, through Dec 31, 2010.

Source: FEC campaign filingsUpdated Dec 31, 2010

The candidates