Suffolk County, New York
Suffolk County is a county in New York with an estimated population of 1,523,170 in 2023. 28 cities, towns and Census places in it are indexed here.
Largest places in Suffolk County
Lindenhurst 26,972Patchogue 12,337Babylon 12,106Lake Grove 11,021Amityville 9,577Port Jefferson 8,129Northport 7,273Southampton 4,627Islandia 3,627Lloyd Harbor 3,537Brightwaters 3,169Sag Harbor 2,785Greenport 2,561Bellport 2,195Westhampton Beach 2,192Village of the Branch 1,749Quogue 1,697Nissequogue 1,606East Hampton 1,546Head of the Harbor 1,467Huntington Bay 1,426North Haven 1,175Poquott 924Old Field 899Belle Terre 785Sagaponack 736Asharoken 602Shoreham 522
About Suffolk County
Suffolk County is one of the counties of New York. County governments in New York handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.