Nassau County, New York
|Nassau County, New York|
Location in the state of New York
New York's location in the U.S.
453 sq mi (1,173 km²)
287 sq mi (743 km²)
166 sq mi (430 km²), 36.72%
4,652/sq mi (1,796/km²)
Nassau County is a suburban county in the New York Metropolitan area east of New York City and west of Suffolk County, in the U.S. state of New York. In 2000, 1,334,544 people lived there. It and Suffolk County are together referred to as Long Island. Until 1899 Nassau County was part of Queens County. Along with Suffolk, it was named the safest county in the United States in 2005 by Forbes magazine.