2016Final results
2016 election for Maryland's 3rd District
U.S. House · Maryland
John P. Sarbanes (D) won with 63.2% of the vote, defeating Mark Plaster (R) by 29.3 points.
John P. SarbanesDemocrat · winner
63.2%214,640
Mark PlasterRepublican
33.9%115,048
Nnabu EzeGreen
2.8%9,461
339,675 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 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 Oct 1, 2026, 4:52 AM ET
Money in this race
Each line compares the two campaigns on one scale.
John P. SarbanesMark Plaster
$948.5K
Raised by the campaign
$608.3K
$760.9K
Spent by the campaign
$570K
$935.5K
Cash on hand
$38.3K
Campaign money: FEC, through Dec 31, 2016.
Source: FEC campaign filingsUpdated Dec 31, 2016