2010Flipped from DemocraticFinal results
2010 election for New Jersey's 3rd District
U.S. House · New Jersey
Jon Runyan (R) won with 50.0% of the vote, defeating John Adler (D) by 2.7 points, a seat Democrats won last time.
Jon RunyanRepublican · winner
50.0%110,215
John AdlerDemocrat
47.3%104,252
Peter DestefanoOther party
1.5%3,284
Rudd CongerLibertarian
0.7%1,445
Lawrence J. DonahueOther party
0.5%1,113
220,309 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 2010
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.
John AdlerJon Runyan
$3.3M
Raised by the campaign
$1.6M
$3.3M
Spent by the campaign
$1.6M
$34.9K
Cash on hand
$5.4K
Other candidates' campaigns: Peter Destefano $6.7K.
Campaign money: FEC, through Dec 31, 2010.
Source: FEC campaign filingsUpdated Dec 31, 2010
The candidates
Jon Runyan (R)John Adler (D)
Also on the ballot: Peter Destefano (Other party), 1.5%; Rudd Conger (Libertarian), 0.7%; Lawrence J. Donahue (Other party), 0.5%