2016Final results
2016 election for New York's 25th District
U.S. House · New York
Louise McIntosh Slaughter (D) won with 56.1% of the vote, defeating Mark W. Assini (R) by 12.4 points.
Louise McIntosh SlaughterDemocrat · winner
56.1%182,950
Mark W. AssiniRepublican
43.8%142,650
The same year, the district voted D+3.4 for president; this race was D+12.4.325,831 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Louise McIntosh SlaughterMark W. Assini
$1.4M
Raised by the campaign
$226.8K
$1.6M
Spent by the campaign
$221.5K
$147.5K
Cash on hand
$6.1K
Campaign money: FEC, through Dec 31, 2016.
Source: FEC campaign filingsUpdated Dec 31, 2016