2019Flipped from DemocraticFinal resultsSpecial election
2019 special election for New Jersey Legislative District 1
New Jersey State Senate · New Jersey
Mike Testa (R) won with 53.4% of the vote, defeating Bob Andrzejczak (D) by 6.9 points, flipping a seat Democrats held.
Mike TestaRepublican · winner
53.4%27,928
Bob AndrzejczakDemocrat
46.6%24,343
52,271 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 2019
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)