Montgomery -- U.S. County in Kansas Population (2000): 36252 Housing Units (2000): 17207 Land area (2000): 645.203608 sq. miles (1671.069601 sq. km) Water area (2000): 6.192797 sq. miles (16.039269 sq. km) Total area (2000): 651.396405 sq. miles (1687.108870 sq. km) Located within: Kansas (KS), FIPS 20 Location: 37.148070 N, 95.701064 W Headwords: Montgomery Montgomery, KS Montgomery County Montgomery County, KS