Washington County, Ohio Zip Codes by Population (2024)
The most populated Zip Code in Washington County, Ohio is 45750, located in Marietta. * 2024 populations estimated based on the latest ACS 5-year data.
Marietta | 26,250 |
Belpre | 9,167 |
Little Hocking | 3,335 |
Vincent | 3,250 |
Waterford | 2,854 |
New Matamoras | 2,598 |
Lowell | 2,234 |
Cutler | 2,190 |
Fleming | 2,111 |
Newport | 1,567 |
Whipple | 975 |
Reno | 533 |
Macksburg | 373 |
Wingett Run | 146 |
Coal Run | 23 |