Hilltop, OH -- U.S. Census Designated Place in Ohio Population (2000): 534 Housing Units (2000): 208 Land area (2000): 0.567820 sq. miles (1.470646 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.567820 sq. miles (1.470646 sq. km) FIPS code: 35613 Located within: Ohio (OH), FIPS 39 Location: 41.163058 N, 80.738781 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hilltop, OH Hilltop