Pike -- U.S. County in Illinois Population (2000): 17384 Housing Units (2000): 8011 Land area (2000): 830.298891 sq. miles (2150.464165 sq. km) Water area (2000): 18.574461 sq. miles (48.107632 sq. km) Total area (2000): 848.873352 sq. miles (2198.571797 sq. km) Located within: Illinois (IL), FIPS 17 Location: 39.629292 N, 90.886468 W Headwords: Pike Pike, IL Pike County Pike County, IL