Benton -- U.S. County in Arkansas Population (2000): 153406 Housing Units (2000): 64281 Land area (2000): 845.993928 sq. miles (2191.114121 sq. km) Water area (2000): 34.247512 sq. miles (88.700645 sq. km) Total area (2000): 880.241440 sq. miles (2279.814766 sq. km) Located within: Arkansas (AR), FIPS 05 Location: 36.354146 N, 94.246822 W Headwords: Benton Benton, AR Benton County Benton County, AR