2011Final results
2011 election for New Jersey Legislative District 18
New Jersey General Assembly · New Jersey
2 seats: Peter J. Barnes III (D), Patrick Diegnan (D) won.
2 seatsPeter J. Barnes IIIDemocrat · winner · incumbent
28.6%18,166
Patrick DiegnanDemocrat · winner · incumbent
28.4%18,050
Joseph SinagraRepublican
22.0%13,996
Marcia SilvaRepublican
21.0%13,333
63,545 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2011
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET