There are 7 zip codes in Gallia County, Ohio. The most populated is 45631, located in Gallipolis. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
4563113,061Gallipolis
456145,077Bidwell
456863,704Vinton
456233,480Crown City
456582,541Patriot
45620754Cheshire
45674743Rio Grande

Zip Codes in Gallia County, Ohio by Population (2024)