2018Final results
2018 election for New York Senate District 50
New York State Senate · New York
Robert E. Antonacci II (R) won with 50.9% of the vote, defeating John Mannion (D) by 1.9 points.
Robert E. Antonacci IIRepublican · winner
50.9%62,330
John MannionDemocrat
49.0%59,998
122,403 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