The 2009 New Jersey General Assembly elections were held on November 3, 2009, for all 80 seats in the lower house of the New Jersey Legislature. The election coincided with a gubernatorial election where Democratic incumbent Governor Jon Corzine was defeated by Republican challenger Chris Christie. All 80 seats of the New Jersey General Assembly were up for election. Democrats held a 48-32 majority in the lower house prior to the election. The members of the New Jersey Legislature are chosen from 40 electoral districts. Each district elects one State Senator and two State Assembly members. New Jersey uses coterminous legislative districts for both its State Senate and General Assembly.
The Democratic Party won a 47-33 majority while losing the popular vote. Republicans were able to flip one seat in the 4th district.
Incumbents not seeking re-election
Democratic
Sandra Love, District 4
Nilsa Cruz-Perez, District 5
Joseph J. Roberts, District 5
Daniel Van Pelt, District 9
John O'Leary, District 19
L. Harvey Smith, District 31
Republican
Michael J. Doherty, District 23
Rick Merkt, District 25
John E. Rooney, District 39
Overall results
Summary of the November 3, 2009 New Jersey General Assembly election results:
Summary of results by district
Close races
Districts where the difference of total votes between the top-two parties was under 10%: