Diaz, AR -- U.S. city in Arkansas Population (2000): 1284 Housing Units (2000): 552 Land area (2000): 5.923201 sq. miles (15.341020 sq. km) Water area (2000): 0.021151 sq. miles (0.054780 sq. km) Total area (2000): 5.944352 sq. miles (15.395800 sq. km) FIPS code: 18940 Located within: Arkansas (AR), FIPS 05 Location: 35.644423 N, 91.261294 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Diaz, AR Diaz