2012Final results
2012 election for Michigan's 6th District
U.S. House · Michigan
Fred Upton (R) won with 54.6% of the vote, defeating Mike O'Brien (D) by 12.0 points.
Fred UptonRepublican · winner
54.6%174,955
Mike O'BrienDemocrat
42.6%136,563
Christie GelineauLibertarian
2.0%6,366
Jason GattiesConstitution
0.8%2,591
320,475 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 2012
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.
Mike O'BrienFred Upton
$294K
Raised by the campaign
$4.1M
$292.4K
Spent by the campaign
$4.7M
$1.6K
Cash on hand
$70.6K
Campaign money: FEC, through Dec 31, 2012.
Source: FEC campaign filingsUpdated Dec 31, 2012
The candidates
Fred Upton (R)Mike O'Brien (D)
Also on the ballot: Christie Gelineau (Libertarian), 2.0%; Jason Gatties (Constitution), 0.8%