The 5th Council District is comprised of the Upper East Side's Yorkville, Lenox Hill, and Carnegie Hill; Roosevelt Island: Midtown East's Sutton Place; and El Barrio.

The 5th Council District covers all of Roosevelt Island and in Manhattan begins on 54th Street running North to 100th Street with an Eastern border of the East River and a Western border that follows 2nd Avenue from 54th Street to 79th Street, extends to Lexington Avenue from 79th Street to 96th Street with the inclusion of 9 blocks of El Barrio from 96th to 100th along Park Avenue stretching East to 3rd Avenue, and 2nd Avenue between 96th and 97th Streets.

The old 5th Council District began on 92nd Street and runs South to 49th Street extended Eastwards to include Roosevelt Island from Lexington Avenue between 92nd Street and 79th Street, 2nd Avenue from 79th Street to 56th Street, and 3rd Avenue from 56th Street to 49th Street.