2018Final results
2018 election for New York Senate District 15
New York State Senate · New York
Joe Addabbo (D) won with 64.1% of the vote, defeating Thomas Sullivan (R) by 28.2 points.
Joe AddabboDemocrat · winner · incumbent
64.1%46,968
Thomas SullivanRepublican
35.8%26,281
73,309 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET