'Nassau County, NY' definitions:
Nassau -- U.S. County in New York
From: Gazetteer 2000
Name :
Nassau -- U.S. County in New York
Population (2000) :
1334544
Housing Units (2000) :
458151
Land area (2000) :
286.692209 sq. miles (742.529382 sq. km)
Water area (2000) :
166.391225 sq. miles (430.951276 sq. km)
Total area (2000) :
453.083434 sq. miles (1173.480658 sq. km)
Located within :
New York (NY), FIPS 36
Location :
40.715949 N, 73.602538 W