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POPULATION FINDER
The 2008 population estimate for Nassau County, New York is 1,351,625.
Note: Information about challenges to population estimates data can be found on the Population Estimates Challenges page.
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  2008 2000 1990
Population 1,351,625 1,334,544 1,287,348
Source: U.S. Census Bureau, 2008 Population Estimates, Census 2000, 1990 Census
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Population for all counties in New York, 2000-2008: Map of Persons per Square Mile, New York by County: Map of Persons per Square Mile, County by County Subdivision:

See more data for Nassau County, New York on the Fact Sheet.


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