Farmington, AR -- U.S. city in Arkansas Population (2000): 3605 Housing Units (2000): 1390 Land area (2000): 4.803000 sq. miles (12.439712 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.803000 sq. miles (12.439712 sq. km) FIPS code: 23170 Located within: Arkansas (AR), FIPS 05 Location: 36.042343 N, 94.245254 W ZIP Codes (1990): 72730 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Farmington, AR Farmington