Daviess -- U.S. County in Indiana Population (2000): 29820 Housing Units (2000): 11898 Land area (2000): 430.658162 sq. miles (1115.399472 sq. km) Water area (2000): 6.198368 sq. miles (16.053700 sq. km) Total area (2000): 436.856530 sq. miles (1131.453172 sq. km) Located within: Indiana (IN), FIPS 18 Location: 38.698934 N, 87.106867 W Headwords: Daviess Daviess, IN Daviess County Daviess County, IN