2014Final results
2014 election for Illinois's 6th District
U.S. House · Illinois
Peter J. Roskam (R) won with 67.1% of the vote, defeating Michael Mason (D) by 34.3 points.
Peter J. RoskamRepublican · winner
67.1%160,287
Michael MasonDemocrat
32.9%78,465
238,752 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 2014
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.
No DemocratPeter J. Roskam
—
Raised by the campaign
$3.5M
—
Spent by the campaign
$4.1M
—
Cash on hand
$457.4K
Campaign money: FEC, through Dec 31, 2014.
Source: FEC campaign filingsUpdated Dec 31, 2014