Erwinna Pennsylvania Profile
| Place Name | Erwinna |
| Place Type | Unincorporated |
| ZIP Code(s) | 18920 |
| County | Bucks County |
| Area Code(s) | 484,610,835 |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| Metro/Micro Stats Area | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD |
| US Congressional District(s) | Pennsylvania 1st |
| State House Districts | 143 |
| State Senate Districts | 16 |