Lincoln -- U.S. County in Missouri Population (2000): 38944 Housing Units (2000): 15511 Land area (2000): 630.490213 sq. miles (1632.962085 sq. km) Water area (2000): 9.923748 sq. miles (25.702388 sq. km) Total area (2000): 640.413961 sq. miles (1658.664473 sq. km) Located within: Missouri (MO), FIPS 29 Location: 39.032384 N, 90.932197 W Headwords: Lincoln Lincoln, MO Lincoln County Lincoln County, MO