Question: What is this census-designated place (CDP) in New York with around a population of 4,000 as of 2010 and belongs to Mattituck-Cutchogue Union Free School District?
Sentence (from "Mattituck-Cutchogue Union Free School District"): Mattituck-Cutchogue Union Free School District is a public school district located on the North Fork of Long Island, in Suffolk County, New York, United States.
Relevant evidence: Yes