2018Final results
2018 election for Wisconsin's 6th District
U.S. House · Wisconsin
Glenn Grothman (R) won with 55.5% of the vote, defeating Dan Kohl (D) by 11.0 points.
Glenn GrothmanRepublican · winner
55.5%180,311
Dan KohlDemocrat
44.5%144,536
324,847 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Dan KohlGlenn Grothman
$3.4M
Raised by the campaign
$2M
$3.4M
Spent by the campaign
$1.9M
$1.1K
Cash on hand
$190.3K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018