Argonia, KS -- U.S. city in Kansas Population (2000): 534 Housing Units (2000): 255 Land area (2000): 0.652461 sq. miles (1.689867 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.652461 sq. miles (1.689867 sq. km) FIPS code: 02250 Located within: Kansas (KS), FIPS 20 Location: 37.265299 N, 97.766123 W ZIP Codes (1990): 67004 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Argonia, KS Argonia