'Plymouth County, MA' definitions:

Plymouth -- U.S. County in Massachusetts

From: Gazetteer 2000
Name :
Plymouth -- U.S. County in Massachusetts
Population (2000) :
472822
Housing Units (2000) :
181524
Land area (2000) :
660.851186 sq. miles (1711.596642 sq. km)
Water area (2000) :
432.535809 sq. miles (1120.262554 sq. km)
Total area (2000) :
1093.386995 sq. miles (2831.859196 sq. km)
Located within :
Massachusetts (MA), FIPS 25
Location :
41.978877 N, 70.818958 W