Tunica -- U.S. County in Mississippi Population (2000): 9227 Housing Units (2000): 3705 Land area (2000): 454.808800 sq. miles (1177.949335 sq. km) Water area (2000): 25.972426 sq. miles (67.268272 sq. km) Total area (2000): 480.781226 sq. miles (1245.217607 sq. km) Located within: Mississippi (MS), FIPS 28 Location: 34.672958 N, 90.373780 W Headwords: Tunica Tunica, MS Tunica County Tunica County, MS