About This Place
Centereach is a hamlet (and census-designated place) in the Town of Brookhaven, Suffolk County, New York, United States. The population was 31.578 at the 2010 census.
Centereach is located at 40°52′20″N 73°4′51″W / 40.87222°N 73.08083°W / 40.87222; -73.08083 (40.872175, -73.080701).
According to the United States Census Bureau, the CDP has a total area of 8.0 square miles (20.6 km²), all land.