2020Final results
2020 election for New York Senate District 15
New York State Senate · New York
Joe Addabbo (D) won re-election with 58.3% of the vote, defeating Thomas Sullivan (R) by 16.5 points.
Joe AddabboDemocrat · winner · incumbent
58.3%68,829
Thomas SullivanRepublican
41.7%49,306
118,135 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)