Rosemount, OH -- U.S. Census Designated Place in Ohio Population (2000): 2043 Housing Units (2000): 901 Land area (2000): 5.754392 sq. miles (14.903805 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 5.754392 sq. miles (14.903805 sq. km) FIPS code: 68546 Located within: Ohio (OH), FIPS 39 Location: 38.783723 N, 82.973576 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Rosemount, OH Rosemount