London Breed was elected Mayor of San Francisco in a2018 special election to serve until 2020, filling the unexpired term ofEd Lee, who was elected in2011 and2015, and died in office on December 12, 2017. Breed stood for election to a first full term in office in 2019.[1][2]
The filing deadline was 5 p.m. on June 11, 2019.[3] Among the candidates who qualified, only the incumbent mayor Breed had a traditional political background.[2]
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Ellen Lee Zhou was theconservative candidate in the race, running a campaign with pro-Donald Trump and pro-gun messaging.[11] Her campaign also criticized the city government's handling ofhomelessness.[11] Shortly before the election, she erected a billboard on Dore Street featuring acaricature of Breed that many San Francisco politicians described asracist.[11][12][13]
Joel Ventresca was endorsed by the San Francisco Green Party.[14]
The election usedinstant-runoff voting, also known as ranked-choice voting. However, Breed was reelected with a majority of the vote in the first round, and no transferring of votes was required. Although California municipal elections are nonpartisan, Ellen Lee Zhou, the second-place finisher and a self-described Republican, had the best performance for a candidate of her party in a San Francisco mayoral race sinceJohn Barbagelata in1975.
In November 2022, San Francisco voters approved Proposition H, moving all future citywide elections to years that are multiples of four (thereby coinciding withpresidential elections), beginning with 2024, and extending for one year the terms of incumbent citywide officeholders, including Breed.[16] As a result, the mayoral term resulting from the 2019 election will now expire in January 2025 instead of January 2024 as originally planned.[16]