Suffolk County, New York

county in New York, United States

Suffolk County is a county in the U.S. state of New York. It lies in central and eastern Long Island and makes up most of the island's territory, and is bordered by Nassau County to the west. In 2020, 1,525,920 people lived there.[1] The county seat is Riverhead.

Suffolk County
Montauk Point Light
Map of New York highlighting Suffolk County
Location within the U.S. state of New York
Map of the United States highlighting New York
New York's location within the U.S.
Coordinates: 40°56′N 72°41′W / 40.94°N 72.68°W / 40.94; -72.68
Country United States
State New York
Named forSuffolk County in England
Largest townBrookhaven
 • Total2,373 sq mi (6,150 km2)
 • Land912 sq mi (2,360 km2)
 • Water1,461 sq mi (3,780 km2)  62%
 • Total1,525,920
 • Density1,637.0/sq mi (632.0/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional districts1st, 2nd
Population is the official 2020 census count

Communities change

Suffolk County is split into ten towns:

References change

  1. 1.0 1.1 "QuickFacts: Suffolk County, New York". United States Census Bureau. Retrieved January 17, 2024.