50 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Charleston township | 1 | 3,471 | 3,557 | -0.46% | 67 | 52.16 | Township |
| Wellsboro | 2 | 3,399 | 3,469 | -0.41% | 693 | 4.90 | Borough |
| Mansfield | 3 | 3,200 | 2,845 | 2.27% | 1,699 | 1.88 | Borough |
| Delmar township | 4 | 2,800 | 2,795 | 0.29% | 34 | 82.23 | Township |
| Morris township | 5 | 2,697 | 2,771 | -0.63% | 137 | 19.72 | Township |
| Covington township | 6 | 2,263 | 2,204 | 0.53% | 96 | 23.70 | Township |
| Liberty | 7 | 2,209 | 2,351 | -1.25% | 1,545 | 1.43 | Borough |
| Richmond township | 8 | 2,117 | 2,162 | -0.47% | 42 | 50.24 | Township |
| Liberty township | 9 | 1,807 | 1,797 | -0.17% | 67 | 26.96 | Township |
| Elkland | 10 | 1,767 | 1,826 | -0.67% | 676 | 2.61 | Borough |
| Liberty township | 11 | 1,745 | 1,807 | -0.96% | 74 | 23.58 | Township |
| Liberty township | 12 | 1,553 | 1,607 | -0.26% | 18 | 84.55 | Township |
| Blossburg | 13 | 1,490 | 1,537 | -0.6% | 321 | 4.65 | Borough |
| Liberty township | 14 | 1,471 | 1,394 | 1.73% | 100 | 14.76 | Township |
| Sullivan township | 15 | 1,439 | 1,471 | -0.42% | 34 | 42.59 | Township |
| Liberty township | 16 | 1,411 | 1,366 | 0.79% | 87 | 16.22 | Township |
| Liberty township | 17 | 1,389 | 1,383 | 0.29% | 53 | 26.19 | Township |
| Middlebury township | 18 | 1,292 | 1,306 | -0.15% | 26 | 49.81 | Township |
| Liberty township | 19 | 1,125 | 1,129 | 0.18% | 38 | 29.55 | Township |
| Westfield | 20 | 1,087 | 1,111 | -0.46% | 975 | 1.11 | Borough |
| Liberty township | 21 | 1,019 | 1,037 | -0.49% | 16 | 63.28 | Township |
| Covington township | 22 | 1,008 | 1,030 | -0.49% | 28 | 36.40 | Township |
| Westfield township | 23 | 956 | 987 | -0.73% | 41 | 23.09 | Township |
| Union township | 24 | 946 | 947 | 0% | 20 | 47.69 | Township |
| Tioga township | 25 | 915 | 939 | -0.65% | 24 | 38.39 | Township |
| Morris township | 26 | 911 | 908 | 0.11% | 32 | 28.42 | Township |
| Rutland township | 27 | 763 | 774 | -0.39% | 21 | 36.30 | Township |
| Lawrenceville | 28 | 685 | 692 | -0.15% | 1,114 | 0.61 | Borough |
| Knoxville | 29 | 664 | 681 | -0.45% | 1,071 | 0.62 | Borough |
| Gaines township | 30 | 598 | 608 | -0.5% | 12 | 48.61 | Township |
| Tioga | 31 | 595 | 612 | -0.5% | 1,282 | 0.46 | Borough |
| Osceola township | 32 | 570 | 587 | -0.7% | 42 | 13.59 | Township |
| Morris township | 33 | 548 | 564 | -0.54% | 8 | 72.14 | Township |
| Nelson township | 34 | 546 | 546 | 0% | 49 | 11.21 | Township |
| Deerfield township | 35 | 539 | 542 | 0.19% | 19 | 28.84 | Township |
| Elkland township | 36 | 538 | 544 | -0.37% | 14 | 38.46 | Township |
| Morris township | 37 | 523 | 562 | -1.13% | 15 | 35.69 | Township |
| Arnot | 38 | 512 | 512 | 2.4% | 499 | 1.03 | CDP |
| Shippen township | 39 | 495 | 499 | -0.2% | 10 | 48.64 | Township |
| Covington township | 40 | 486 | 498 | -0.41% | 9 | 52.86 | Township |
| Morris township | 41 | 422 | 423 | 0% | 35 | 12.15 | Township |
| Millerton | 42 | 403 | 406 | 1.26% | 471 | 0.85 | CDP |
| Putnam township | 43 | 392 | 400 | -0.25% | 654 | 0.60 | Township |
| Bloss township | 44 | 369 | 343 | 1.65% | 15 | 24.01 | Township |
| Brookfield township | 45 | 361 | 371 | -0.55% | 11 | 31.91 | Township |
| Liberty | 46 | 228 | 232 | -0.44% | 479 | 0.48 | Borough |
| Ward township | 47 | 220 | 226 | -0.45% | 6 | 34 | Township |
| Duncan township | 48 | 192 | 188 | 0.52% | 10 | 20.04 | Township |
| Roseville | 49 | 175 | 177 | 0% | 368 | 0.47 | Borough |
| Elk township | 50 | 44 | 45 | 0% | 1 | 73.82 | Township |
Charleston township is the largest city in Tioga County, with a population of 3,471.
Elk township is the smallest city in Tioga County.
There are 50 cities in Tioga County, Pennsylvania.