Delaware -- U.S. County in Indiana Population (2000): 118769 Housing Units (2000): 51032 Land area (2000): 393.291803 sq. miles (1018.621049 sq. km) Water area (2000): 2.633128 sq. miles (6.819770 sq. km) Total area (2000): 395.924931 sq. miles (1025.440819 sq. km) Located within: Indiana (IN), FIPS 18 Location: 40.211893 N, 85.396077 W Headwords: Delaware Delaware, IN Delaware County Delaware County, IN