Williamstown, OH zip code
Williamstown, Ohio uses one zip code: 45897. Most of it is in Hancock County. Together these zip codes are home to about 115 people.
Zip codes
1
Population
115
All zips combined
Largest zip
45897
115 residents
Zip codes in Williamstown
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 45897 | 115 | $56,528 |