The 11th Suffolk County Legislative District (LD) is located primarily on the western south shore of Suffolk County encompassing the south shore communities of the Town of Islip, the western portion of Fire Island and a small section of the Town of Babylon. The district includes all of West Islip and Brightwaters, most of Bay Shore and portions of Islip, Islip Terrace and Deer Park. It is bounded roughly by Southern State Parkway to the North, the Great South Bay to the South, and Route 231 to the West.

Elections / Voters

The 11th LD consists of 61 election districts (EDs) in Islip and 5 EDs in Babylon with 52,198 registered voters.