2023 New Jersey elections

A general election was held in the U.S. state of New Jersey on November 7, 2023. Primary elections were held on June 6. All 80 seats in the New Jersey General Assembly for two-year terms, and all 40 seats in the State Senate for four-year terms. In addition to the State Legislative elections, numerous county offices and County Commissioners in addition to municipal offices were up for election. There were no statewide ballot questions this year though some counties and municipalities may have had a local question asked. Non-partisan local elections, some school board elections, and some fire district elections also happened throughout the year.

State Senate
The 2023 New Jersey State Senate elections were held on November 7, 2023. New Jersey voters elected state senators in all of the state's legislative districts for a four-year term to the New Jersey Senate. This was the first election after redistricting following the 2020 United States census. The winners of these elections will be sworn in on January 9, 2024.

The New Jersey Democratic Party flipped one seat, the third district. The New Jersey Republican Party picked up the twelfth district from an elected Republican who had switched to the Democratic Party.

General Assembly
The 2023 New Jersey General Assembly elections were held on November 7, 2023. New Jersey voters elected two Assembly members in all of the state's legislative districts for a two-year term to the New Jersey General Assembly. This was the first election after the 2020 census. Democrats expanded their majority in the chamber by picking up both seats in the 3rd and 11th districts, and one each in the 8th and 30th..