Grand Isle -- U.S. County in Vermont Population (2000): 6901 Housing Units (2000): 4663 Land area (2000): 82.616201 sq. miles (213.974970 sq. km) Water area (2000): 112.056340 sq. miles (290.224577 sq. km) Total area (2000): 194.672541 sq. miles (504.199547 sq. km) Located within: Vermont (VT), FIPS 50 Location: 44.816038 N, 73.299885 W Headwords: Grand Isle Grand Isle, VT Grand Isle County Grand Isle County, VT