Denning, AR -- U.S. town in Arkansas Population (2000): 270 Housing Units (2000): 115 Land area (2000): 1.102786 sq. miles (2.856202 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.102786 sq. miles (2.856202 sq. km) FIPS code: 18370 Located within: Arkansas (AR), FIPS 05 Location: 35.429513 N, 93.756365 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Denning, AR Denning