1986Final results
1986 election for U.S. Senate in New York
U.S. Senate · New York
Alfonse D’Amato (R) won with 53.0% of the vote, defeating Mark Green (D) by 14.6 points.
Alfonse D’AmatoRepublican · winner
53.0%2,378,197
Mark GreenDemocrat
38.4%1,723,216
Write-ins and other votesOther party
6.8%305,412
John DysonOther party
1.3%60,099
Frederick D. NewmanOther party
0.2%10,559
Micharl ShurSocialist Workers
0.2%7,376
4,484,859 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 1986
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.
Mark GreenAlfonse D’Amato
$1.6M
Raised by the campaign
$11.3M
$1.6M
Spent by the campaign
$12.9M
$8K
Cash on hand
$456.3K
Other candidates' campaigns: John Dyson $6.3M.
Campaign money: FEC, through Dec 31, 1986.
Source: FEC campaign filingsUpdated Dec 31, 1986
The candidates
Alfonse D’Amato (R)Mark Green (D)
Also on the ballot: John Dyson (Other party), 1.3%; Frederick D. Newman (Other party), 0.2%; Micharl Shur (Socialist Workers), 0.2%