42 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Scranton | 1 | 75,836 | 76,180 | -0.09% | 2,997 | 25 | City |
| Dunmore | 2 | 14,307 | 14,015 | 0.41% | 1,604 | 9 | Borough |
| South Abington | 3 | 9,672 | 9,542 | 0.51% | 1,062 | 9 | Township |
| Carbondale | 4 | 8,803 | 8,812 | -0.02% | 2,714 | 3 | City |
| Old Forge | 5 | 8,697 | 8,482 | 0.5% | 2,538 | 3 | Borough |
| Archbald | 6 | 7,559 | 7,304 | 0.68% | 442 | 17 | Borough |
| Blakely | 7 | 6,661 | 6,648 | 0.03% | 1,747 | 4 | Borough |
| Taylor | 8 | 6,246 | 6,275 | -0.1% | 1,201 | 5 | Borough |
| Moosic | 9 | 6,035 | 5,947 | 0.28% | 931 | 6 | Borough |
| Dickson City | 10 | 6,007 | 6,022 | -0.05% | 1,253 | 5 | Borough |
| Olyphant | 11 | 5,403 | 5,373 | 0.11% | 994 | 5 | Borough |
| Clarks Summit | 12 | 5,095 | 5,063 | 0.12% | 3,215 | 2 | Borough |
| Scott | 13 | 4,731 | 4,621 | 0.87% | 174 | 27 | Township |
| Jessup | 14 | 4,501 | 4,510 | -0.04% | 668 | 7 | Borough |
| Throop | 15 | 4,140 | 4,062 | 0.36% | 833 | 5 | Borough |
| Newton | 16 | 2,953 | 2,827 | 0.41% | 133 | 22 | Township |
| Spring Brook | 17 | 2,821 | 2,746 | 0.68% | 82 | 35 | Township |
| Avoca | 18 | 2,566 | 2,503 | 0.47% | 2,516 | 1 | Borough |
| Roaring Brook | 19 | 2,377 | 2,283 | 0.68% | 111 | 21 | Township |
| Fell | 20 | 2,344 | 2,331 | 0% | 153 | 15 | Township |
| Greenfield | 21 | 2,287 | 2,263 | 0.26% | 109 | 21 | Township |
| Taylor | 22 | 2,251 | 2,312 | -0.35% | 96 | 23 | Township |
| Jermyn | 23 | 2,135 | 2,135 | 0% | 2,696 | 1 | Borough |
| Moscow | 24 | 2,019 | 2,021 | -0.05% | 709 | 3 | Borough |
| Waverly | 25 | 1,860 | 1,852 | 0.27% | 409 | 5 | Township |
| Mayfield | 26 | 1,766 | 1,766 | 0% | 722 | 2 | Borough |
| Clifton | 27 | 1,525 | 1,483 | 0.86% | 78 | 19 | Township |
| Clarks Green | 28 | 1,517 | 1,525 | -0.13% | 2,841 | 1 | Borough |
| Ransom | 29 | 1,449 | 1,401 | 0.14% | 82 | 18 | Township |
| Glenburn | 30 | 1,442 | 1,435 | 0.21% | 311 | 5 | Township |
| Dalton | 31 | 1,298 | 1,273 | 0.39% | 430 | 3 | Borough |
| Carbondale | 32 | 1,152 | 1,129 | 0.17% | 84 | 14 | Township |
| Taylor | 33 | 1,055 | 1,066 | -0.19% | 32 | 33 | Township |
| Thornhurst | 34 | 1,017 | 1,007 | 0.3% | 45 | 23 | Township |
| Taylor | 35 | 962 | 991 | -0.41% | 181 | 5 | Township |
| Taylor | 36 | 855 | 840 | 0.59% | 28 | 31 | Township |
| Elmhurst | 37 | 840 | 841 | 0% | 456 | 2 | Township |
| North Abington | 38 | 773 | 706 | 3.07% | 85 | 9 | Township |
| Vandling | 39 | 722 | 727 | -0.14% | 550 | 1 | Borough |
| La Plume | 40 | 482 | 481 | 0.42% | 198 | 2 | Township |
| Jessup | 41 | 476 | 467 | 0.42% | 22 | 21 | Township |
| West Abington | 42 | 317 | 302 | 0.63% | 57 | 6 | Township |
Scranton is the largest city in Lackawanna County, with a population of 75,836.
West Abington is the smallest city in Lackawanna County, with a population of 317.
There are 42 cities in Lackawanna County, Pennsylvania.