Gas, KS -- U.S. city in Kansas Population (2000): 556 Housing Units (2000): 234 Land area (2000): 0.756417 sq. miles (1.959110 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.756417 sq. miles (1.959110 sq. km) FIPS code: 25975 Located within: Kansas (KS), FIPS 20 Location: 37.923851 N, 95.346168 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gas, KS Gas