| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Scranton | 1 | 75,392 | 76,169 | -0.16% | 2,979 | 25 | City |
| Dunmore | 2 | 14,312 | 14,022 | 0.44% | 1,605 | 9 | Borough |
| South Abington | 3 | 9,649 | 9,534 | 0.26% | 1,059 | 9 | Township |
| Carbondale | 4 | 8,724 | 8,774 | -0.08% | 2,690 | 3 | City |
| Old Forge | 5 | 8,678 | 8,501 | 0.44% | 2,532 | 3 | Borough |
| Archbald | 6 | 7,644 | 7,370 | 0.61% | 447 | 17 | Borough |
| Blakely | 7 | 6,609 | 6,621 | -0.03% | 1,733 | 4 | Borough |
| Taylor | 8 | 6,225 | 6,271 | -0.11% | 1,197 | 5 | Borough |
| Moosic | 9 | 6,003 | 5,927 | 0.23% | 926 | 6 | Borough |
| Dickson City | 10 | 5,968 | 6,013 | -0.13% | 1,245 | 5 | Borough |
| Olyphant | 11 | 5,392 | 5,370 | 0.04% | 992 | 5 | Borough |
| Clarks Summit | 12 | 5,072 | 5,061 | 0.06% | 3,200 | 2 | Borough |
| Scott | 13 | 4,770 | 4,636 | 0.72% | 175 | 27 | Township |
| Jessup | 14 | 4,501 | 4,518 | -0.11% | 668 | 7 | Borough |
| Throop | 15 | 4,126 | 4,061 | 0.32% | 831 | 5 | Borough |
| Newton | 16 | 2,974 | 2,826 | 0.61% | 134 | 22 | Township |
| Spring Brook | 17 | 2,825 | 2,754 | 0.28% | 82 | 35 | Township |
| Avoca | 18 | 2,562 | 2,493 | 0.43% | 2,512 | 1 | Borough |
| Roaring Brook | 19 | 2,417 | 2,293 | 1.05% | 113 | 21 | Township |
| Fell | 20 | 2,367 | 2,367 | -0.13% | 155 | 15 | Township |
| Greenfield | 21 | 2,287 | 2,265 | 0.13% | 109 | 21 | Township |
| Taylor | 22 | 2,254 | 2,307 | -0.04% | 97 | 23 | Township |
| Jermyn | 23 | 2,107 | 2,121 | -0.09% | 2,660 | 1 | Borough |
| Moscow | 24 | 1,995 | 2,001 | -0.05% | 700 | 3 | Borough |
| Waverly | 25 | 1,856 | 1,856 | 0% | 408 | 5 | Township |
| Mayfield | 26 | 1,747 | 1,756 | -0.11% | 714 | 2 | Borough |
| Ransom | 27 | 1,546 | 1,401 | 3.41% | 87 | 18 | Township |
| Clifton | 28 | 1,536 | 1,481 | 0.92% | 79 | 19 | Township |
| Clarks Green | 29 | 1,516 | 1,530 | -0.2% | 2,839 | 1 | Borough |
| Glenburn | 30 | 1,437 | 1,432 | 0.07% | 310 | 5 | Township |
| Dalton | 31 | 1,299 | 1,276 | 0.23% | 430 | 3 | Borough |
| Carbondale | 32 | 1,166 | 1,145 | 0.09% | 85 | 14 | Township |
| Taylor | 33 | 1,057 | 1,062 | 0.19% | 32 | 33 | Township |
| Thornhurst | 34 | 1,015 | 1,007 | 0.1% | 44 | 23 | Township |
| Taylor | 35 | 971 | 1,002 | -0.31% | 182 | 5 | Township |
| Elmhurst | 36 | 838 | 843 | -0.12% | 454 | 2 | Township |
| Taylor | 37 | 832 | 839 | -0.6% | 27 | 31 | Township |
| North Abington | 38 | 786 | 705 | 2.48% | 86 | 9 | Township |
| Vandling | 39 | 713 | 722 | -0.28% | 543 | 1 | Borough |
| Jessup | 40 | 489 | 470 | 1.24% | 23 | 21 | Township |
| La Plume | 41 | 481 | 477 | 0.21% | 198 | 2 | Township |
| West Abington | 42 | 312 | 300 | 0% | 56 | 6 | Township |
Scranton is the largest city in Lackawanna County, with a population of 75,392.
West Abington is the smallest city in Lackawanna County, with a population of 312.
There are 42 cities in Lackawanna County, Pennsylvania.