42 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sandy | 1 | 11,584 | 11,826 | -0.15% | 223 | 52 | Township |
| DuBois | 2 | 7,206 | 7,494 | -0.66% | 2,239 | 3 | City |
| Clearfield | 3 | 5,715 | 5,952 | -0.68% | 3,170 | 2 | Borough |
| Decatur | 4 | 4,329 | 4,560 | 1.83% | 116 | 37 | Township |
| Cooper | 5 | 2,512 | 2,591 | -0.4% | 62 | 41 | Township |
| Curwensville | 6 | 2,451 | 2,561 | -0.73% | 1,100 | 2 | Borough |
| Clearfield | 7 | 2,326 | 2,431 | -0.6% | 98 | 24 | Township |
| Pike | 8 | 2,273 | 2,304 | 0% | 54 | 42 | Township |
| Brady | 9 | 1,869 | 1,937 | -0.59% | 50 | 37 | Township |
| Beccaria | 10 | 1,722 | 1,766 | -0.29% | 48 | 36 | Township |
| Boggs | 11 | 1,615 | 1,663 | -0.19% | 45 | 36 | Township |
| Clearfield | 12 | 1,564 | 1,596 | -0.26% | 51 | 31 | Township |
| Graham | 13 | 1,295 | 1,324 | -0.23% | 44 | 30 | Township |
| Huston | 14 | 1,221 | 1,261 | -0.57% | 19 | 64 | Township |
| Bigler | 15 | 1,204 | 1,240 | -0.58% | 50 | 24 | Township |
| Gulich | 16 | 1,186 | 1,200 | -0.08% | 59 | 20 | Township |
| Burnside | 17 | 1,038 | 1,061 | -0.19% | 24 | 44 | Township |
| Osceola Mills | 18 | 997 | 1,044 | -0.8% | 3,012 | 0 | Borough |
| Union | 19 | 846 | 878 | -0.59% | 27 | 31 | Township |
| Houtzdale | 20 | 727 | 763 | -0.82% | 1,898 | 0 | Borough |
| Karthaus | 21 | 711 | 823 | -2.07% | 20 | 35 | Township |
| Bell | 22 | 657 | 687 | -0.61% | 12 | 57 | Township |
| Ferguson | 23 | 530 | 544 | -0.56% | 20 | 26 | Township |
| Irvona | 24 | 523 | 546 | -0.76% | 563 | 1 | Borough |
| Chest | 25 | 503 | 509 | -0.59% | 14 | 36 | Township |
| Jordan | 26 | 490 | 475 | 1.45% | 21 | 23 | Township |
| Ramey | 27 | 418 | 433 | -0.48% | 450 | 1 | Borough |
| Burnside | 28 | 416 | 414 | 0.24% | 5 | 89 | Township |
| Coalport | 29 | 408 | 428 | -0.73% | 1,091 | 0 | Borough |
| Brisbin | 30 | 401 | 422 | -0.74% | 562 | 1 | Borough |
| Goshen | 31 | 386 | 392 | -0.52% | 8 | 49 | Township |
| Bloom | 32 | 366 | 380 | -0.54% | 19 | 19 | Township |
| Greenwood | 33 | 349 | 361 | -0.57% | 17 | 20 | Township |
| Grampian | 34 | 342 | 356 | -0.58% | 1,213 | 0 | Borough |
| Westover | 35 | 339 | 357 | -0.88% | 126 | 3 | Borough |
| Wallaceton | 36 | 320 | 296 | 1.27% | 419 | 1 | Borough |
| Mahaffey | 37 | 309 | 321 | -0.64% | 722 | 0 | Borough |
| Troutville | 38 | 224 | 230 | -0.44% | 291 | 1 | Borough |
| Burnside | 39 | 183 | 188 | -0.54% | 109 | 2 | Borough |
| Glen Hope | 40 | 122 | 125 | 0% | 57 | 2 | Borough |
| Pine | 41 | 59 | 60 | 0% | 2 | 32 | Township |
| New Washington | 42 | 52 | 52 | 0% | 23 | 2 | Borough |
Sandy is the largest city in Clearfield County, with a population of 11,584.
New Washington is the smallest city in Clearfield County, with a population of 52.
There are 42 cities in Clearfield County, Pennsylvania.