The 1885 United States Senate election in New York was held on January 20, 1885, by the New York State Legislature to elect a U.S. Senator (Class 3) to represent the State of New York in the United States Senate.
Republican Elbridge G. Lapham had been elected to this seat in a special election in 1881 to succeed Roscoe Conkling who had resigned. Lapham's term would expire on March 3, 1885.
At the State election in November 1883, 19 Republicans and 13 Democrats were elected for a two-year term (1884-1885) in the State Senate. At the State election in November 1884, 73 Republicans and 55 Democrats were elected for the session of 1885 to the Assembly. The 108th New York State Legislature met from January 6 to May 22, 1885, at Albany, New York.
The caucus of Republican State legislators met on January 19, President pro tempore of the State Senate Dennis McCarthy presided. 19 State senators and 73 assemblymen attended. The Evarts faction required the nomination to be made by viva voce vote, which was opposed by the Morton faction, but was carried by a vote of 64 to 28. The caucus nominated Ex-U.S. Secretary of State William M. Evarts on the first ballot.
The Democratic caucus nominated Ex-Mayor of New York Edward Cooper.
William M. Evarts was the choice of both the Assembly and the State Senate, and was declared elected.