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Welcome to Suffolk County ...

Time Zone: Suffolk County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Riverhead is the Seat for Suffolk County.

Suffolk County is one of the original counties of New York and was founded in 1683.

From the Census Estimates for 2019, <1> Suffolk had a population of 1,478,325 people. This is a decrease of 1.01% since the last Census (which gave a population of 1,493,350 people in 2010).

At the time of the 2010 Census, Suffolk represented 7.71% of the total population of New York.

Below are some of the communities located in Suffolk County:

  • Amityville
  • Asharoken
    • Jump to our Gazetteer entry for Asharoken
    • Population from the 2020 Census: 637 people
    • Note: The GPS coordinates that we are using for Asharoken have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to Google Maps centered on Asharoken
  • Babylon
  • Belle Terre
    • Jump to our Gazetteer entry for Belle Terre
    • Population from the 2020 Census: 785 people
    • Note: The GPS coordinates that we are using for Belle Terre have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to Google Maps centered on Belle Terre
  • Bellport
    • Jump to our Gazetteer entry for Bellport
    • Population from the 2020 Census: 2,040 people
    • Note: The GPS coordinates that we are using for Bellport have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to Google Maps centered on Bellport
    • Jump to TripAdvisor's Tourism page for Bellport<2>
  • Brightwaters
    • Jump to our Gazetteer entry for Brightwaters
    • Population from the 2020 Census: 3,050 people
    • Note: The GPS coordinates that we are using for Brightwaters have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to Google Maps centered on Brightwaters
    • Jump to TripAdvisor's Tourism page for Brightwaters<2>
  • Brookhaven
    • Jump to our Gazetteer entry for Brookhaven
    • Population from the 2020 Census: 479,883 people
    • Note: The GPS coordinates that we are using for Brookhaven have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to Google Maps centered on Brookhaven
  • Dering Harbor
    • Jump to our Gazetteer entry for Dering Harbor
    • Population from the 2020 Census: 11 people
    • Note: The GPS coordinates that we are using for Dering Harbor have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to Google Maps centered on Dering Harbor
  • Continue List   (34 more) ...
    • East Hampton
    • Greenport
    • Head-of-the-Harbor
      • Jump to our Gazetteer entry for Head-of-the-Harbor
      • Population from the 2020 Census: 1,452 people
      • Note: The GPS coordinates that we are using for Head-of-the-Harbor have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Head-of-the-Harbor
    • Huntington
      • Jump to our Gazetteer entry for Huntington
      • Population from the 2020 Census: 200,102 people
      • Note: The GPS coordinates that we are using for Huntington have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Huntington
    • Huntington Bay
      • Jump to our Gazetteer entry for Huntington Bay
      • Population from the 2020 Census: 1,443 people
      • Note: The GPS coordinates that we are using for Huntington Bay have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Huntington Bay
      • Jump to TripAdvisor's Tourism page for Huntington Bay<2>
    • Islandia
      • Jump to our Gazetteer entry for Islandia
      • Population from the 2020 Census: 3,309 people
      • Note: The GPS coordinates that we are using for Islandia have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Islandia
      • Jump to TripAdvisor's Tourism page for Islandia<2>
    • Islip
      • Jump to our Gazetteer entry for Islip
      • Population from the 2020 Census: 328,812 people
      • Note: The GPS coordinates that we are using for Islip have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Islip
    • Lake Grove
      • Jump to our Gazetteer entry for Lake Grove
      • Population from the 2020 Census: 11,055 people
      • Note: The GPS coordinates that we are using for Lake Grove have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Lake Grove
      • Jump to TripAdvisor's Tourism page for Lake Grove<2>
    • Lindenhurst
    • Lloyd Harbor
      • Jump to our Gazetteer entry for Lloyd Harbor
      • Population from the 2020 Census: 3,650 people
      • Note: The GPS coordinates that we are using for Lloyd Harbor have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Lloyd Harbor
    • Nissequogue
      • Jump to our Gazetteer entry for Nissequogue
      • Population from the 2020 Census: 1,727 people
      • Note: The GPS coordinates that we are using for Nissequogue have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Nissequogue
    • North Haven
      • Jump to our Gazetteer entry for North Haven
      • Population from the 2020 Census: 894 people
      • Jump to Google Maps centered on North Haven
    • Northport
      • Jump to our Gazetteer entry for Northport
      • Population from the 2020 Census: 7,259 people
      • Note: The GPS coordinates that we are using for Northport have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Northport
      • Jump to TripAdvisor's Tourism page for Northport<2>
    • Ocean Beach
      • Jump to our Gazetteer entry for Ocean Beach
      • Population from the 2020 Census: 84 people
      • Note: The GPS coordinates that we are using for Ocean Beach have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Ocean Beach
      • Jump to TripAdvisor's Tourism page for Ocean Beach<2>
    • Old Field
      • Jump to our Gazetteer entry for Old Field
      • Population from the 2020 Census: 905 people
      • Note: The GPS coordinates that we are using for Old Field have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Old Field
      • Jump to TripAdvisor's Tourism page for Old Field<2>
    • Patchogue
    • Poquott
      • Jump to our Gazetteer entry for Poquott
      • Population from the 2020 Census: 929 people
      • Note: The GPS coordinates that we are using for Poquott have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Poquott
    • Port Jefferson
    • Quogue
      • Jump to our Gazetteer entry for Quogue
      • Population from the 2020 Census: 1,015 people
      • Note: The GPS coordinates that we are using for Quogue have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Quogue
      • Jump to TripAdvisor's Tourism page for Quogue<2>
    • Riverhead
      • Jump to our Gazetteer entry for Riverhead
      • Population from the 2020 Census: 33,434 people
      • Note: The GPS coordinates that we are using for Riverhead have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Riverhead
    • Sag Harbor
    • Sagaponack
    • Saltaire
      • Jump to our Gazetteer entry for Saltaire
      • Population from the 2020 Census: 41 people
      • Note: The GPS coordinates that we are using for Saltaire have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Saltaire
      • Jump to TripAdvisor's Tourism page for Saltaire<2>
    • Shelter Island
      • Jump to our Gazetteer entry for Shelter Island
      • Population from the 2020 Census: 2,419 people
      • Note: The GPS coordinates that we are using for Shelter Island have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Shelter Island
    • Shoreham
      • Jump to our Gazetteer entry for Shoreham
      • Population from the 2020 Census: 532 people
      • Note: The GPS coordinates that we are using for Shoreham have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Shoreham
      • Jump to TripAdvisor's Tourism page for Shoreham<2>
    • Smithtown
      • Jump to our Gazetteer entry for Smithtown
      • Population from the 2020 Census: 115,844 people
      • Note: The GPS coordinates that we are using for Smithtown have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Smithtown
    • Southampton
    • Southold
      • Jump to our Gazetteer entry for Southold
      • Population from the 2020 Census: 22,282 people
      • Note: The GPS coordinates that we are using for Southold have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Southold
    • The Branch
      • Jump to our Gazetteer entry for The Branch
      • Population from the 2020 Census: 1,789 people
      • Note: The GPS coordinates that we are using for The Branch have been provided by the GNIS.<3> The coordinates still need to be verified.
      • The Branch has also been known as:
      • Village of the Branch
      • Jump to Google Maps centered on The Branch
    • West Hampton Dunes
      • Jump to our Gazetteer entry for West Hampton Dunes
      • Population from the 2020 Census: 58 people
      • Note: The GPS coordinates that we are using for West Hampton Dunes have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on West Hampton Dunes
    • Westhampton Beach
      • Jump to our Gazetteer entry for Westhampton Beach
      • Population from the 2020 Census: 1,808 people
      • Note: The GPS coordinates that we are using for Westhampton Beach have been provided by the GNIS.<3> The coordinates still need to be verified.
      • Jump to Google Maps centered on Westhampton Beach
      • Jump to TripAdvisor's Tourism page for Westhampton Beach<2>

Websites of Interest ...

  • Of Special Interest ...
    • The GenDisasters website specializes in newspaper articles about tragedies and disasters. While it makes interesting reading all by itself, it should be of special interest to genealogists and family historians looking for people who were either affected by or directly involved in such tragedies.
    • At this time (Dec 2022), GenDisasters website is currently offline due to a hacker attack. Hopefully they will be back soon.

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<3>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we have found that accuracy can vary and you should double-check the location if accuracy is required.

 

 

 

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This page was last modified/updated: 01 Feb 2023