1978Final results
1978 election for New Jersey's 12th District
U.S. House · New Jersey
Matthew Rinaldo (R) won with 73.4% of the vote, defeating Richard McCormack (D) by 46.7 points.
Matthew RinaldoRepublican · winner
73.4%94,850
Richard McCormackDemocrat
26.6%34,423
129,273 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 1978
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET