Windham -- U.S. County in Connecticut Population (2000): 109091 Housing Units (2000): 43959 Land area (2000): 512.753200 sq. miles (1328.024634 sq. km) Water area (2000): 8.713220 sq. miles (22.567134 sq. km) Total area (2000): 521.466420 sq. miles (1350.591768 sq. km) Located within: Connecticut (CT), FIPS 09 Location: 41.834314 N, 71.988008 W Headwords: Windham Windham, CT Windham County Windham County, CT