Fountain -- U.S. County in Indiana Population (2000): 17954 Housing Units (2000): 7692 Land area (2000): 395.691364 sq. miles (1024.835884 sq. km) Water area (2000): 2.226423 sq. miles (5.766410 sq. km) Total area (2000): 397.917787 sq. miles (1030.602294 sq. km) Located within: Indiana (IN), FIPS 18 Location: 40.139160 N, 87.257568 W Headwords: Fountain Fountain, IN Fountain County Fountain County, IN