Cities & Towns in Suffolk County, NY

Suffolk County, county in New York, United States. As of 2020 county had an estimated population of 1,474,273 inhabitants. The county was created 341 years ago in 1683. Its county seat is Riverhead.

There are 15 city/town in Suffolk County, NY. The largest city of Suffolk County is Smithtown with a population of 110,876. Other cities include, Southampton population 58,549, Shirley population 27,854, Southold population 22,282, Selden population 19,851

Smithtown
Smithtown

Smithtown, Census-designated place in Suffolk County, New York

Southampton
Southampton

Southampton, Town in Suffolk County, New York, partly on the South Fork of Long Island, USA

Shirley
Shirley

Shirley, Census-designated place in New York, USA

Suffolk County, located on the eastern end of Long Island, is home to beautiful beaches, quaint small towns, and bustling suburbs. With a population of over 1.5 million, Suffolk County contains some of the most populous and well-known cities on Long Island. In this post, we'll explore some of the top cities that Suffolk County has to offer.

Babylon, with around 12,000 residents, is a south shore city known for its beaches, parks, and downtown area. Patchogue, with a population of around 12,500, is a village with a thriving restaurant and nightlife scene. Huntington, the county's most populous town at around 200,000 residents, is a hub for arts and culture on the north shore. Port Jefferson, a popular tourist destination, is a harbor village with maritime history, unique shops and eateries. And of course, no discussion of Suffolk County would be complete without mentioning the town of Islip, home to over 330,000 residents and Long Island MacArthur Airport.

Suffolk County contains a diverse mix of small towns, bustling suburbs, quaint villages, and popular beachside communities. In this post, we'll take a closer look at what makes some of Suffolk's top cities unique and appealing places to live or visit.

All Suffolk County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Suffolk County.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z all
City Name Title Population
Sag Harbor City in Suffolk County, New York, United States of America 2,292
Sagaponack Human settlement in Southampton, New York, United States of America 323
Saltaire Town in New York, USA 41
Sayville Census-designated place in Suffolk County, New York 16,853
Selden Town in Kansas 19,851
Shelter Island Town of New York, USA 2,408
Shinnecock Hills City in Southampton, New York, United States of America 2,188
Shirley Census-designated place in New York, USA 27,854
Shoreham Human settlement in Suffolk County, New York, United States of America 532
Smithtown Census-designated place in Suffolk County, New York 110,876
Sound Beach Census-designated place in Suffolk County, New York 7,612
South Huntington Census-designated place in Suffolk County, New York 9,422
Southampton Town in Suffolk County, New York, partly on the South Fork of Long Island, USA 58,549
Southold Town in New York 22,282
Stony Brook Public university in Stony Brook, New York, United States 13,740
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County Cities on Map (15)

New York Counties (61)

Queens County (2,225,821) New York County (1,611,989) Suffolk County (1,474,273) Bronx County (1,401,142) Nassau County (1,351,334) Westchester County (965,802) Erie County (917,241) Monroe County (740,900) Richmond County (475,327) Onondaga County (459,214) Orange County (385,234) Rockland County (326,225) Albany County (303,654) Dutchess County (293,293) Saratoga County (230,298) Oneida County (227,346) Niagara County (208,396) Broome County (189,420) Ulster County (177,716) Rensselaer County (158,108) Schenectady County (155,358) Chautauqua County (126,032) Oswego County (116,346) St. Lawrence County (111,007) Ontario County (110,091) Jefferson County (108,095) Tompkins County (101,058) Putnam County (98,532) Steuben County (94,657) Wayne County (89,339) Chemung County (82,622) Clinton County (79,778) Cayuga County (76,029) Cattaraugus County (75,863) Sullivan County (75,802) Madison County (70,478) Warren County (63,756) Livingston County (62,398) Herkimer County (60,945) Washington County (60,606) Columbia County (59,534) Otsego County (58,701) Genesee County (56,994) Fulton County (52,812) Franklin County (49,965) Montgomery County (49,170) Tioga County (47,904) Greene County (47,177) Cortland County (47,173) Chenango County (46,730) Allegany County (45,587) Delaware County (43,938) Orleans County (39,978) Wyoming County (39,465) Essex County (36,891) Seneca County (33,991) Schoharie County (31,132) Lewis County (26,187) Yates County (24,780) Schuyler County (17,685) Hamilton County (4,345)