Pike -- U.S. County in Missouri Population (2000): 18351 Housing Units (2000): 7493 Land area (2000): 672.823225 sq. miles (1742.604079 sq. km) Water area (2000): 11.985872 sq. miles (31.043265 sq. km) Total area (2000): 684.809097 sq. miles (1773.647344 sq. km) Located within: Missouri (MO), FIPS 29 Location: 39.360621 N, 91.145704 W Headwords: Pike Pike, MO Pike County Pike County, MO