Humboldt, KS -- U.S. city in Kansas Population (2000): 1999 Housing Units (2000): 925 Land area (2000): 1.424460 sq. miles (3.689334 sq. km) Water area (2000): 0.006620 sq. miles (0.017146 sq. km) Total area (2000): 1.431080 sq. miles (3.706480 sq. km) FIPS code: 33450 Located within: Kansas (KS), FIPS 20 Location: 37.810738 N, 95.437418 W ZIP Codes (1990): 66748 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Humboldt, KS Humboldt