Copiague (/ˈkoʊpeɪɡ/ KOH-payg) is a hamlet on Long Island (and census-designated place) in the Town of Babylon, in Suffolk County, New York, United States.

29.2% of the population were foreign-born, and 34.8% of residents at least 5 years old spoke a language other than English at home.

[9] Most of Copiague is served by the Copiague Union Free School District, which also serves parts of North Amityville, a small portion of North Lindenhurst, and a very small portion of East Farmingdale.

[10] The district operates six schools:[10] Deauville Gardens East, Deauville Gardens West, Great Neck Road, and Susan E. Wiley Founded in 1928, the Copiague Volunteer Fire Department is the sole provider of fire and rescue services for the hamlet of Copiague.

The north station, located on Dixon Ave. houses the Vigilant Engine Company and the Yellowbirds firematic drill team.

The Special Operations and Rescue squad operates a fully enclosed and climate controlled 5-ton high water rescue vehicle, three boats ranging from a 19-foot Boston Whaler to a small inflatable, a Special Ops rescue van, a Yamaha side by side, and a double decker boat trailer.