2012Final results
2012 election for Massachusetts's 5th District
U.S. House · Massachusetts
Ed Markey (D) won with 75.5% of the vote, defeating Tom Tierney (R) by 51.2 points.
Ed MarkeyDemocrat · winner
75.5%257,490
Tom TierneyRepublican
24.3%82,944
341,109 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.
Ed MarkeyTom Tierney
$1.1M
Raised by the campaign
$15.6K
$1.1M
Spent by the campaign
$15.6K
$3.1M
Cash on hand
$52
Campaign money: FEC, through Dec 31, 2012.
Source: FEC campaign filingsUpdated Dec 31, 2012