Hewlett Neck is a village in the Town of Hempstead in Nassau County, on Long Island, in New York, United States.

[5] Hewlett Neck is located entirely within the boundaries of (and is thus served by) the Hewlett-Woodmere School District.

[6][7] Hewlett Neck is located entirely within the boundaries of (and is thus served by) the Hewlett-Woodmere Library District.

The racial makeup of the village was 98.81% White, 0.79% African American, 0.20% Asian, 0.20% from other races.

8.4% of all households were made up of individuals, and 6.5% had someone living alone who was 65 years of age or older.