2016Final results
2016 election for Massachusetts's 3rd District
U.S. House · Massachusetts
Niki Tsongas (D) won with 68.7% of the vote, defeating Ann Wofford (R) by 37.5 points.
Niki TsongasDemocrat · winner
68.7%236,713
Ann WoffordRepublican
31.2%107,519
344,592 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 2016
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.
Niki TsongasAnn Wofford
$1.2M
Raised by the campaign
$41.8K
$1.1M
Spent by the campaign
$42.8K
$467.9K
Cash on hand
$73
Campaign money: FEC, through Dec 31, 2016.
Source: FEC campaign filingsUpdated Dec 31, 2016