| Zip Code | City | Population ↓ |
|---|---|---|
| 18411 | Clarks Summit | 22,829 |
| 18505 | Scranton | 21,588 |
| 18504 | Scranton | 20,516 |
| 18407 | Carbondale | 14,696 |
| 18510 | Scranton | 14,530 |
| 18444 | Moscow | 14,155 |
| 18509 | Scranton | 13,697 |
| 18512 | Scranton | 12,337 |
| 18508 | Scranton | 11,265 |
| 18447 | Olyphant | 10,275 |
| 18518 | Old Forge | 8,506 |
| 18433 | Jermyn | 7,018 |
| 18403 | Archbald | 6,734 |
| 18414 | Dalton | 5,549 |
| 18517 | Taylor | 5,320 |
| 18507 | Moosic | 5,229 |
| 18519 | Scranton | 5,117 |
| 18424 | Gouldsboro | 5,114 |
| 18452 | Peckville | 5,082 |
| 18434 | Jessup | 4,033 |
| 18503 | Scranton | 1,303 |
| 18471 | Waverly | 528 |
| 18420 | Fleetville | 123 |
| 18440 | La Plume | 58 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 24 ZCTAs in Lackawanna County, Pennsylvania (US Census).