Lafayette -- U.S. County in Arkansas Population (2000): 8559 Housing Units (2000): 4560 Land area (2000): 526.497014 sq. miles (1363.620948 sq. km) Water area (2000): 18.568411 sq. miles (48.091961 sq. km) Total area (2000): 545.065425 sq. miles (1411.712909 sq. km) Located within: Arkansas (AR), FIPS 05 Location: 33.272263 N, 93.563116 W Headwords: Lafayette Lafayette, AR Lafayette County Lafayette County, AR