2018 United States Senate election in Massachusetts

The 2018 United States Senate election in Massachusetts took place on November 6, 2018. Incumbent Democratic U.S. Senator Elizabeth Warren ran for re-election to a second term. The candidate filing deadline was June 5, 2018, and the primary election was held on September 4, 2018.

Warren won re-election, defeating her Republican opponent, Geoff Diehl.

Nominated

 * Elizabeth Warren, incumbent U.S. Senator

Nominated

 * Geoff Diehl, state representative

Eliminated in primary

 * John Kingston, attorney and founder and president of Better for America
 * Beth Lindstrom, former Undersecretary of the Massachusetts Office of Consumer Affairs and Business Regulation

Eliminated at convention

 * Darius Mitchell
 * Heidi Wellman

Declined

 * Gabriel Gomez, businessman, former Navy SEAL and nominee for the U.S. Senate in 2013
 * Rick Green, businessman (running for House of Representatives)
 * Curt Schilling, former Major League Baseball pitcher
 * Bill Weld, former governor, nominee for the U.S. Senate in 1996 and Libertarian nominee for Vice President of the United States in 2016 (endorsed Beth Lindstrom)
 * Daniel Winslow, former state representative and candidate for the U.S. Senate in 2013

By county


Results by county. Red represents counties won by Diehl. Teal represents counties won by Kingston.

Declined

 * Bill Weld, former Republican governor and nominee for Vice President of the United States in 2016

Declared

 * Shiva Ayyadurai, entrepreneur and conspiracy theorist
 * John Devine
 * Allen Waters

Declined

 * Gabriel Gomez, businessman, former Navy SEAL and Republican nominee for the U.S. Senate in 2013

Debates

 * Complete video of debate, October 19, 2018
 * Complete video of debate, October 21, 2018

Predictions
^Highest rating they assert

Polling

 * with Beth Lindstrom


 * with John Kingston


 * with Shiva Ayyadurai running as Republican


 * with Curt Schilling


 * with William Weld

Counties that flipped from Republican to Democratic

 * Barnstable (largest municipality: Barnstable)
 * Essex (largest municipality: Lynn)
 * Norfolk (largest municipality: Quincy)
 * Worcester (largest municipality: Worcester)

By congressional district
Warren won all of the state’s congressional districts.