South Haven, KS -- U.S. city in Kansas Population (2000): 390 Housing Units (2000): 182 Land area (2000): 0.816909 sq. miles (2.115784 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.816909 sq. miles (2.115784 sq. km) FIPS code: 66650 Located within: Kansas (KS), FIPS 20 Location: 37.050187 N, 97.401997 W ZIP Codes (1990): 67140 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: South Haven, KS South Haven