Little River -- U.S. County in Arkansas Population (2000): 13628 Housing Units (2000): 6435 Land area (2000): 531.733757 sq. miles (1377.184049 sq. km) Water area (2000): 33.136757 sq. miles (85.823803 sq. km) Total area (2000): 564.870514 sq. miles (1463.007852 sq. km) Located within: Arkansas (AR), FIPS 05 Location: 33.697284 N, 94.220589 W Headwords: Little River Little River, AR Little River County Little River County, AR