All Nassau County population data above are from the US Census Bureau except for the population projection data, which are from the Cornell University. Cornell Program on Applied Demographics. New York State Projection Data by County. Released September 2011. Downloaded July 2014.
With 1,358,627 people, Nassau County is the 6th most populated county in the state of New York out of 62 counties. But watch out, Nassau County, because Erie County with 922,835 people and Westchester County with 972,634 people are right behind you.
The largest Nassau County racial/ethnic groups are White (63.1%) followed by Hispanic (15.7%) and Black (10.8%).
In 2013, the median household income of Nassau County residents was $96,193. Nassau County households made slightly more than Putnam County households ($93,746) and Suffolk County households ($85,439) . However, 6.1% of Nassau County residents live in poverty.
The median age for Nassau County residents is 41.5 years young.
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