Cairo, GA -- U.S. city in Georgia Population (2000): 9239 Housing Units (2000): 3898 Land area (2000): 9.313559 sq. miles (24.122007 sq. km) Water area (2000): 0.052289 sq. miles (0.135429 sq. km) Total area (2000): 9.365848 sq. miles (24.257436 sq. km) FIPS code: 12400 Located within: Georgia (GA), FIPS 13 Location: 30.877803 N, 84.208877 W ZIP Codes (1990): 31728 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Cairo, GA Cairo