Boyd -- U.S. County in Kentucky Population (2000): 49752 Housing Units (2000): 21976 Land area (2000): 160.168496 sq. miles (414.834483 sq. km) Water area (2000): 1.648159 sq. miles (4.268713 sq. km) Total area (2000): 161.816655 sq. miles (419.103196 sq. km) Located within: Kentucky (KY), FIPS 21 Location: 38.425361 N, 82.664583 W Headwords: Boyd Boyd, KY Boyd County Boyd County, KY