2018 United States Senate election in New York

The 2018 United States Senate election in New York took place on November 6, 2018. Incumbent U.S. Senator Kirsten Gillibrand was re-elected to a second full term, defeating Republican Chele Chiavacci Farley with over 67% of the vote. Gillibrand carried a majority of the state's counties and 26 of the state's 27 congressional districts, including five that elected Republicans the same night.

Democratic primary
Kirsten Gillibrand ran unopposed in the primary and automatically became the Democratic nominee.

Nominee

 * Kirsten Gillibrand, incumbent U.S. Senator

Failed to file

 * Scott Noren, oral and maxillofacial surgeon

Declined

 * Chelsea Clinton, daughter of former senator Hillary Clinton
 * Andrew Cuomo, incumbent New York Governor
 * Caroline Kennedy, former United States Ambassador to Japan, daughter of former president John F. Kennedy and member of the Kennedy family
 * Andrew Yang, entrepreneur (ran for Democratic presidential nomination in 2020)

Republican primary
The Republican Party had nominated private equity executive Chele Chiavacci Farley.

Nominee

 * Chele Chiavacci Farley, private equity executive

Failed to file

 * Rocky De La Fuente, businessman and perennial candidate
 * Patrick John Hahn, civic activist
 * Rafael Arden Jones Sr.
 * David A. Webber

Declined

 * Chris Gibson, former U.S. Representative
 * Joseph Holland, former Commissioner of the Department of Housing and Community Renewal (running for Governor)

Predictions
†Highest rating given

Counties that flipped from Democratic to Republican
• Cattaraugus (largest municipality: Olean)

• Chautauqua (largest municipality: Jamestown)

• Chemung (largest municipality: Elmira)

• Chenango (largest municipality: Norwich)

• Delaware (largest municipality: Sidney)

• Essex (largest municipality: Ticonderoga)

• Fulton (largest municipality: Gloversville)

• Genesee (largest municipality: Batavia)

• Greene (largest municipality: Catskill)

• Hamilton (largest municipality: Long Lake)

• Herkimer (largest municipality: German Flatts)

• Jefferson (largest municipality: Le Ray)

• Lewis (largest municipality: Lowville)

• Livingston (largest municipality: Geneseo)

• Madison (largest municipality: Oneida)

• Montgomery (largest municipality: Amsterdam)

• Niagara (largest municipality: Niagara Falls)

• Orleans (largest municipality: Albion)

• Oswego (largest municipality: Oswego)

• Putnam (largest municipality: Lake Carmel)

• Steuben (largest municipality: Corning)

• Schoharie (largest municipality: Cobleskill)

• Schuyler (largest municipality: Watkins Glen)

• Tioga (largest municipality: Waverly)

• Wayne (largest municipality: Newark)

• Yates (largest municipality: Penn Yan)