This is the electoral history of Bill de Blasio, the 109th Mayor of New York City, in office from 2014 to 2022. Previously, he represented the 39th district in Brooklyn in the New York City Council from 2002 to 2009 and served as the 3rd Public Advocate of New York City from 2010 to 2013. He briefly ran for the Democratic presidential nomination in the 2020 United States presidential election.
See main article: 2009 New York City Public Advocate election.
As no Democratic candidate reached 40%, a runoff election between the leading two candidates (de Blasio and Green) was required.
See main article: 2013 New York City mayoral election.
See main article: 2017 New York City mayoral election.