54 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sandy | 1 | 11,601 | 11,826 | -0.15% | 223 | 52 | Township |
| DuBois | 2 | 7,254 | 7,494 | -0.66% | 2,253 | 3 | City |
| Clearfield | 3 | 5,754 | 5,952 | -0.69% | 3,191 | 2 | Borough |
| Treasure Lake | 4 | 5,147 | 4,418 | 1.68% | 407 | 13 | CDP |
| Decatur | 5 | 4,251 | 4,560 | 1.87% | 114 | 37 | Township |
| Cooper | 6 | 2,522 | 2,591 | -0.39% | 62 | 41 | Township |
| Curwensville | 7 | 2,469 | 2,561 | -0.76% | 1,108 | 2 | Borough |
| Clearfield | 8 | 2,340 | 2,431 | -0.59% | 99 | 24 | Township |
| Pike | 9 | 2,273 | 2,304 | 0% | 54 | 42 | Township |
| Brady | 10 | 1,880 | 1,937 | -0.58% | 50 | 37 | Township |
| Beccaria | 11 | 1,727 | 1,766 | -0.29% | 48 | 36 | Township |
| Boggs | 12 | 1,618 | 1,663 | -0.19% | 45 | 36 | Township |
| Clearfield | 13 | 1,568 | 1,596 | -0.25% | 51 | 31 | Township |
| Oklahoma | 14 | 1,512 | 879 | 3.35% | 1,976 | 1 | CDP |
| Graham | 15 | 1,298 | 1,324 | -0.23% | 44 | 30 | Township |
| Huston | 16 | 1,228 | 1,261 | -0.57% | 19 | 64 | Township |
| Bigler | 17 | 1,211 | 1,240 | -0.57% | 50 | 24 | Township |
| Gulich | 18 | 1,187 | 1,200 | -0.08% | 59 | 20 | Township |
| Burnside | 19 | 1,040 | 1,061 | -0.19% | 24 | 44 | Township |
| Osceola Mills | 20 | 1,005 | 1,044 | -0.79% | 3,036 | 0 | Borough |
| Sandy | 21 | 1,000 | 1,340 | -2.82% | 720 | 1 | CDP |
| Hyde | 22 | 960 | 1,361 | -3.03% | 572 | 2 | CDP |
| Union | 23 | 851 | 878 | -0.58% | 27 | 31 | Township |
| Plymptonville | 24 | 833 | 997 | -1.19% | 642 | 1 | CDP |
| Morrisdale | 25 | 815 | 906 | 0.49% | 484 | 2 | CDP |
| Houtzdale | 26 | 733 | 763 | -0.81% | 1,914 | 0 | Borough |
| Karthaus | 27 | 726 | 823 | -2.02% | 21 | 35 | Township |
| Bell | 28 | 661 | 687 | -0.6% | 12 | 57 | Township |
| West Decatur | 29 | 598 | 502 | 0.67% | 427 | 1 | CDP |
| Hawk Run | 30 | 572 | 625 | 0.53% | 712 | 1 | CDP |
| Ferguson | 31 | 533 | 544 | -0.56% | 20 | 26 | Township |
| Irvona | 32 | 527 | 546 | -0.75% | 567 | 1 | Borough |
| Chest | 33 | 506 | 509 | -0.59% | 14 | 36 | Township |
| Bigler | 34 | 496 | 281 | 1.43% | 410 | 1 | CDP |
| Jordan | 35 | 483 | 475 | 1.47% | 21 | 23 | Township |
| Ramey | 36 | 420 | 433 | -0.71% | 453 | 1 | Borough |
| Burnside | 37 | 415 | 414 | 0.24% | 5 | 89 | Township |
| Kylertown | 38 | 412 | 331 | 0.98% | 240 | 2 | CDP |
| Coalport | 39 | 411 | 428 | -0.96% | 1,099 | 0 | Borough |
| Brisbin | 40 | 404 | 422 | -0.98% | 566 | 1 | Borough |
| Goshen | 41 | 388 | 392 | -0.51% | 8 | 49 | Township |
| Grassflat | 42 | 380 | 601 | -2.06% | 261 | 1 | CDP |
| Bloom | 43 | 368 | 380 | -0.54% | 20 | 19 | Township |
| Greenwood | 44 | 351 | 361 | -0.57% | 17 | 20 | Township |
| Grampian | 45 | 344 | 356 | -0.86% | 1,220 | 0 | Borough |
| Westover | 46 | 342 | 357 | -0.87% | 127 | 3 | Borough |
| Wallaceton | 47 | 316 | 296 | 1.28% | 414 | 1 | Borough |
| Mahaffey | 48 | 311 | 321 | -0.64% | 727 | 0 | Borough |
| Allport | 49 | 284 | 317 | 0.35% | 476 | 1 | CDP |
| Troutville | 50 | 225 | 230 | -0.44% | 292 | 1 | Borough |
| Burnside | 51 | 184 | 188 | -0.54% | 110 | 2 | Borough |
| Glen Hope | 52 | 122 | 125 | -0.81% | 57 | 2 | Borough |
| Pine | 53 | 59 | 60 | 0% | 2 | 32 | Township |
| New Washington | 54 | 52 | 52 | 0% | 23 | 2 | Borough |
Sandy is the largest city in Clearfield County, with a population of 11,601.
New Washington is the smallest city in Clearfield County, with a population of 52.
There are 54 cities in Clearfield County, Pennsylvania.