Logan -- U.S. County in Colorado Population (2000): 20504 Housing Units (2000): 8424 Land area (2000): 1838.523726 sq. miles (4761.754388 sq. km) Water area (2000): 6.333405 sq. miles (16.403444 sq. km) Total area (2000): 1844.857131 sq. miles (4778.157832 sq. km) Located within: Colorado (CO), FIPS 08 Location: 40.663118 N, 103.129586 W Headwords: Logan Logan, CO Logan County Logan County, CO