ZIP Code 45897
About Williamstown
Williamstown is an unincorporated community in southern Madison Township, Hancock County, Ohio, United States. Although it is unincorporated, it has its own zip code of 45897. It lies at the intersection of U.S. Routes 30 and 68.
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Area Profile
US Census (ACS 5-year · Gazetteer)
91
population
76
people / sq mi
18.3
median age
23
housing units
23
households
1.2
land area (sq mi)