Nassau County, New York
county in New York, United States
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 2018, 1,358,343 people lived there. It lies in western Long Island, and is bordered by Suffolk County to the east and by the New York City boroughs of Brooklyn and Queens to the west. About 1,525,000 people lived there. Until 1899, Nassau County was part of Queens County. The county seat is Mineola. Along with Suffolk, it was named the safest county in the United States in 2005 by Forbes.
Nassau County | |
|---|---|
 Hempstead House, part of Sands Point Preserve | |
 Flag | |
 Location within the U.S. state of New York | |
 New York's location within the U.S. | |
| Coordinates: 40°44′50″N 73°38′17″W / 40.7472°N 73.6381°W | |
| Country |  United States |
| State |  New York |
| Founded | 1899 |
| Named for | William of Nassau |
| Seat | Mineola |
| Largest village | Hempstead |
| Area | |
| • Total | 453 sq mi (1,170 km2) |
| • Land | 285 sq mi (740 km2) |
| • Water | 169 sq mi (440 km2) 37% |
| Population | |
| • Estimate (2018) | 1,358,343 |
| • Density | 4,766.1/sq mi (1,840.2/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional districts | 2nd, 3rd, 4th, 5th |
| Website | www |
| Population is 2018 Census estimate. | |
Hamlets in Nassau County include Manhasset, New York.
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