It comprised such communities as Bay Shore, Brentwood, Central Islip, Commack, Deer Park, Dix Hills, Huntington, Melville, North Amityville, Northport, Oakdale, Plainview, Ronkonkoma, Sayville and Wyandanch.

As for the educational attainment of potential voters in the district, 32% hold a bachelor's or higher degree.

Nassau County communities in the 2nd district include Oyster Bay and East Massapequa.

Suffolk County communities include Amityville, Babylon, Lindenhurst, Captree, Deer Park, East Farmingdale, Gilgo, North Amityville, North Babylon, North Lindenhurst, Oak Beach, West Babylon, Wheatley Heights, Wyandanch, Copiague Harbor, Brightwaters, Islandia, Ocean Beach, Saltaire, Bay Shore, Bayport, Baywood, Bohemia, Brentwood, Central Islip, East Islip, Great River, Hauppauge, Holbrook, Holtsville, Islip, Islip Terrace, Kismet, Lake Ronkonkoma, Lonelyville, North Bay Shore, North Great River, Oakdale, Ronkonkoma, Sayville, West Bay Shore, West Islip, West Sayville, Dunewood, Fair Harbor, Blue Point, Patchogue, East Patchogue, North Patchogue, Medford, Hagerman, North Bellport, Bellport, Brookhaven, South Haven, Shirley, Mastic, Mastic Beach, Moriches, East Moriches, Center Moriches, Manorville, Eastport, Davis Park, Water Island, Fire Island Pines, Cherry Grove, Point O'Woods, and Ocean Bay Park.

New York election law allows for fusion voting, where a candidate can run as a member of multiple parties.