Andover, KS -- U.S. city in Kansas Population (2000): 6698 Housing Units (2000): 2456 Land area (2000): 6.848580 sq. miles (17.737741 sq. km) Water area (2000): 0.017980 sq. miles (0.046568 sq. km) Total area (2000): 6.866560 sq. miles (17.784309 sq. km) FIPS code: 01800 Located within: Kansas (KS), FIPS 20 Location: 37.691165 N, 97.137043 W ZIP Codes (1990): 67002 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Andover, KS Andover