| Official Zip Code Name | New Marshfield |
| Zip Code State | Ohio |
| Primary County: | Athens |
| Area Code | 740 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 892 ft. |
| Area | 32.482 Sqm. |
| Coordinates(Y,X) | 39.334892, -82.245952 |