[3] District 12 covers the farthest northeastern neighborhoods of the Bronx, including all of Williamsbridge, Baychester, Co-op City, and Eastchester as well as part of Wakefield.

[6] In 2019, voters in New York City approved Ballot Question 1, which implemented ranked-choice voting in all local elections.

If one candidate surpasses 50 percent in first-choice votes, then ranked-choice tabulations will not occur.

[9] In October 2020, Andy King was expelled from the City Council for harassment, discrimination, and conflict of interest, triggering a special election for his seat.

Like all municipal special elections in New York City, the race was officially nonpartisan, with all candidates running on ballot lines of their own creation.