Bolivar -- U.S. County in Mississippi Population (2000): 40633 Housing Units (2000): 14939 Land area (2000): 876.284410 sq. miles (2269.566106 sq. km) Water area (2000): 29.472181 sq. miles (76.332594 sq. km) Total area (2000): 905.756591 sq. miles (2345.898700 sq. km) Located within: Mississippi (MS), FIPS 28 Location: 33.803284 N, 90.830139 W Headwords: Bolivar Bolivar, MS Bolivar County Bolivar County, MS