The 2000 Census showed that Suffolk County had a population of 1,419,369 people. This represented 7.48% of the total population of New York, making it the state's 4th most populous county (out of 62 counties).
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 2000 Census.
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% | +0.3% since 2006 |
2006 | 1,507,211 | +6.19% | +0.19% since 2005 |
2005 | 1,504,285 | +5.98% | +0.3% since 2004 |
2004 | 1,499,838 | +5.67% | +0.88% since 2003 |
2003 | 1,486,783 | +4.75% | +1.26% since 2002 |
2002 | 1,468,240 | +3.44% | +1.33% since 2001 |
2001 | 1,448,987 | +2.09% | +2.09% since 2000 |
--- | | | 2000 | 1,419,369 | The Last Census |
Suffolk County had 522,323 Housing Units<2> at the time of the 2000 Census.
The 2000 Census shows that Suffolk County has a total area<3> of 2,373 square miles [6,146 km²]. Of this total, 912 square miles [2,362 km²] of the area is land, with the balance (61.6%) being water (1,460 square miles [3,783 km²]).
Using the above population and land area values, Suffolk County had a population density of 1,555 people per square mile [600 people/km²], making it the state's 9th most densely populated county (out of 62 counties).
US Census QuickFacts
The Census Bureau has created documents containing demographic information that are called QuickFacts. A QuickFact that is specific to Suffolk County is available. The QuickFact also contains a comparison between Suffolk and the state of New York. Click here for the Suffolk County QuickFact (QF-36103).
Below are some of the communities that are located in Suffolk County:
Community | Census QuickFact | Population (2009 Est) | Population (2000 Census) | Change in Population |
Brookhaven | QF-3610000 | 490,416 | 448,248 | 9.41% |
Islip | QF-3638000 | 337,565 | 322,612 | 4.63% |
Babylon | QF-3604000 | 221,044 | 211,792 | 4.37% |
Huntington | QF-3637000 | 202,197 | 195,289 | 3.54% |
Smithtown | QF-3668000 | 121,817 | 115,715 | 5.27% |
Southampton | QF-3668473 | 61,527 | 54,712 | 12.46% |
Riverhead | QF-3661984 | 35,654 | 27,680 | 28.81% |
Lindenhurst | QF-3642554 | 28,669 | 27,819 | 3.06% |
Southold | QF-3669463 | 22,631 | 20,599 | 9.86% |
East Hampton | QF-3622194 | 22,255 | 19,719 | 12.86% |
Babylon | QF-3603408 | 12,809 | 12,615 | 1.54% |
Patchogue | QF-3656660 | 12,225 | 11,919 | 2.57% |
Lake Grove | QF-3640530 | 10,994 | 10,250 | 7.26% |
Amityville | QF-3602044 | 10,016 | 9,441 | 6.09% |
Port Jefferson | QF-3659355 | 8,031 | 7,837 | 2.48% |
Northport | QF-3653396 | 7,710 | 7,606 | 1.37% |
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