| Place Name | Irwin |
| Place Type | Unincorporated |
| ZIP Code(s) | 43029 |
| County | Union County |
| Area Code(s) | 220,740 |
| Timezone | Eastern Daylight Time (EDT) |
| Population () | |
| Metro/Micro Stats Area | Columbus, OH |
| US Congressional District(s) | Ohio 4th |
| State House Districts | 86 |
| State Senate Districts | 26 |