Rio Grande, OH zip code
Rio Grande, Ohio uses one zip code: 45674. Most of it is in Gallia County. Together these zip codes are home to about 618 people.
Zip codes
1
Population
618
All zips combined
Largest zip
45674
618 residents
Zip codes in Rio Grande
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 45674 | 618 | $20,865 |