Democrats held a 52–28 majority in the lower house prior to the election.

New Jersey uses coterminous legislative districts for both its State Senate and General Assembly.

Ultimately, Republicans gained six seats in the chamber, reducing Democrats' majority to 46–34.

[24] Former NJ DHS official Julia Hankerson was added to the ballot as a replacement candidate on September 8.

However, Craig Auriemma and Joseph Viso Jr. received enough write-in votes to qualify for the general election.