Elections were held at regular times in Petone from its proclamation as a borough in 1888 to its abolition in 1989. Elections were held annually until 1915 when two year terms were introduced which lasted until 1935 when the mayoral term was extended to three years. The polling was conducted using the standard first-past-the-post electoral method.
Samuel Raymond Johnson was re-elected mayor unopposed.
Richard Clement Kirk was re-elected mayor unopposed.
Richard Clement Kirk was re-elected mayor unopposed.
Richard Clement Kirk was re-elected mayor unopposed.
Richard Clement Kirk was re-elected mayor unopposed.
Richard Clement Kirk was re-elected mayor unopposed.
Richard Clement Kirk was re-elected mayor unopposed.
Richard Clement Kirk was re-elected mayor unopposed.
George Thomas London was re-elected mayor unopposed.
John William McEwan was re-elected mayor unopposed.
John William McEwan was re-elected mayor unopposed.
John William McEwan was re-elected mayor unopposed.
John William McEwan was re-elected mayor unopposed.
John William McEwan was re-elected mayor unopposed.
John William McEwan was re-elected mayor unopposed.
John William McEwan was re-elected mayor unopposed.
David McKenzie was re-elected mayor unopposed.
David McKenzie was re-elected mayor unopposed.
Mayor David McKenzie died on 2 October 1934. A by-election was avoided when the council decided to elect one of its own members to serve the remainder of the term. The deputy mayor, Albert Scholefield, was elected unanimously at a council meeting on 8 October 1934.
George London was re-elected mayor unopposed.
Joe Huggan was re-elected mayor unopposed.
Joe Huggan was re-elected mayor unopposed.
Annie Huggan was elected mayor unopposed.
Annie Huggan was re-elected mayor unopposed.