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 2009, <1> Suffolk had a population of 1,518,475 people. This is an increase of 6.98% since the last Census (which gave a population of 1,419,369 people in 2000).
At the time of the 2000 Census, Suffolk represented 7.48% of the total population of New York, making it the state's 4th most populous county (out of 62 counties).
The following table shows the recent changes in population. Other than 2000, the population counts have been estimated by the Census Bureau.
Year | Population | Change Since 2000 | Year-to-Year Change |
2010 | 1,493,350 | +5.21% | -1.65% since 2009 |
2009 | 1,518,475 | +6.98% | +0.33% since 2008 |
2008 | 1,513,435 | +6.63% | +0.11% since 2007 |
2007 | 1,511,732 | +6.51% | |
--- | | | 2000 | 1,419,369 | The Last Census |
More information can be found on the Suffolk County Census Page for Suffolk County. .
Below are some of the communities located in Suffolk County (for more communities, please visit our Nearby Page for Suffolk County):
Community | 2009 Population | 2000 Population | Change (2009vs. 2000) |
Brookhaven | 490,416 | 448,248 | 9.41% increase |
Islip | 337,565 | 322,612 | 4.63% increase |
Babylon | 221,044 | 211,792 | 4.37% increase |
Huntington | 202,197 | 195,289 | 3.54% increase |
Smithtown | 121,817 | 115,715 | 5.27% increase |
Websites for Suffolk County
If you know of a history or genealogy society whose interest includes Suffolk County, would you please send us the URL for their website? We would like to add their link to our Gazetteer. To contact us, please visit our Feedback Page.
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