2012Final results
2012 election for Maryland's 1st District
U.S. House · Maryland
Andy Harris (R) won with 63.4% of the vote, defeating Wendy Rosen (D) by 35.9 points.
Andy HarrisRepublican · winner
63.4%214,204
Wendy RosenDemocrat
27.5%92,812
Write-ins and other votesOther party
5.3%17,887
Muir Wayne BodaLibertarian
3.8%12,857
337,760 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.
Wendy RosenAndy Harris
$213K
Raised by the campaign
$1.6M
$209.9K
Spent by the campaign
$1.5M
$3.1K
Cash on hand
$170.1K
Other candidates' campaigns: Muir Wayne Boda $1.8K.
Campaign money: FEC, through Dec 31, 2012.
Source: FEC campaign filingsUpdated Dec 31, 2012