'Dukes County' definitions:
Dukes -- U.S. County in Massachusetts
From: Gazetteer 2000
Name :
Dukes -- U.S. County in Massachusetts
Population (2000) :
14987
Housing Units (2000) :
14836
Land area (2000) :
103.778855 sq. miles (268.785990 sq. km)
Water area (2000) :
387.175029 sq. miles (1002.778678 sq. km)
Total area (2000) :
490.953884 sq. miles (1271.564668 sq. km)
Located within :
Massachusetts (MA), FIPS 25
Location :
41.414842 N, 70.612681 W