| Official Zip Code Name | Ottawa |
| Zip Code State | Ohio |
| Primary County: | Putnam |
| Area Code | 419/567 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 720 ft. |
| Area | 102.563 Sqm. |
| Coordinates(Y,X) | 41.023937, -84.053677 |