The1831 United States Senate election in New York was held on February 1, 1831, by theNew York State Legislature to elect aU.S. Senator (Class 3) to represent the State ofNew York in theUnited States Senate.
Nathan Sanford had been elected in 1826 to this seat, and his term would expire on March 3, 1831.
At the State election in November 1830, the Jacksonian Democrats managed to defeat the combinedAnti-Masons andNational Republicans.Enos T. Throop was narrowly re-elected Governor, a large Jacksonian-Democratic majority was elected to the assembly, and five of the nine state senators elected were Jacksonian Democrats. The54th New York State Legislature met from January 4 to April 26, 1831, atAlbany, New York. The party strength in the assembly as shown by the election forSpeaker was: 91 for Jacksonian DemocratGeorge R. Davis and 30 for Anti-MasonJohn C. Spencer.
TheJacksonian Democratic State legislators held a caucus before the election, and nominatedNew York Supreme Court Justice William L. Marcy. The vote was 77 for Marcy, 15 forErastus Root, 6 for the incumbentNathan Sanford and 6 scattering votes.
William L. Marcy was the choice of both the Assembly and the Senate, and was declared elected.
| Office | House | Jacksonian Democrat | Anti-Mason | National Republican | |||
|---|---|---|---|---|---|---|---|
| U.S. Senator | State Senate (32 members) | William L. Marcy | 20 | Samuel Works | 5 | ||
| State Assembly (128 members) | William L. Marcy | 86 | Samuel Works | 27 | Nathan Sanford | 1 | |
Marcy resigned his seat on January 1, 1833, upon taking office asGovernor of New York. The State Legislature held a special election to fill the vacancy in January 1833, and electedSilas Wright, Jr.