[3] District 4 covers a large swath of Manhattan's Upper East Side, also stretching south to include some or all of Midtown, Times Square, Stuyvesant Town–Peter Cooper Village, Turtle Bay, Murray Hill, and Koreatown.

[4] The UN Headquarters, Rockefeller Center, and many other central Manhattan landmarks are located in the district.

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

Under the new system, voters have the option to rank up to five candidates for every local office.

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