Mankato, KS -- U.S. city in Kansas Population (2000): 976 Housing Units (2000): 509 Land area (2000): 1.012446 sq. miles (2.622222 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.012446 sq. miles (2.622222 sq. km) FIPS code: 44300 Located within: Kansas (KS), FIPS 20 Location: 39.787220 N, 98.209274 W ZIP Codes (1990): 66956 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Mankato, KS Mankato