The 2016 Wilmington mayoral election was held on Tuesday, November 8, 2016, to elect the mayor of Wilmington, Delaware. Incumbent mayor Dennis P. Williams ran for reelection to a second term, but was defeated in the Democratic primary on September 13, 2016, by Mike Purzycki, the former executive director of the Riverfront Development Corporation.[1] Purzycki defeated Republican Robert Martin and Delaware Independent Steven Washington in the general election.[2]