20 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 15001 | Aliquippa | 32,013 |
| 15010 | Beaver Falls | 28,621 |
| 15009 | Beaver | 15,610 |
| 15061 | Monaca | 12,523 |
| 15066 | New Brighton | 12,136 |
| 15003 | Ambridge | 11,394 |
| 15005 | Baden | 9,574 |
| 15074 | Rochester | 8,543 |
| 15042 | Freedom | 7,859 |
| 15026 | Clinton | 4,355 |
| 15059 | Midland | 4,186 |
| 16115 | Darlington | 3,451 |
| 15052 | Industry | 2,905 |
| 16123 | Fombell | 2,601 |
| 15050 | Hookstown | 2,311 |
| 15027 | Conway | 2,136 |
| 15043 | Georgetown | 2,106 |
| 16136 | Koppel | 797 |
| 15081 | South Heights | 343 |
| 15077 | Shippingport | 166 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 20 ZCTAs in Beaver County, Pennsylvania (US Census).