31 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sandy township | 1 | 11,469 | 11,824 | -0.66% | 221 | 51.97 | Township |
| DuBois | 2 | 7,204 | 7,494 | -0.8% | 2,238 | 3.22 | City |
| Clearfield | 3 | 5,719 | 5,946 | -0.78% | 3,172 | 1.80 | Borough |
| Decatur township | 4 | 2,876 | 4,563 | -0.9% | 77 | 37.39 | Township |
| Cooper township | 5 | 2,483 | 2,590 | -1% | 61 | 40.70 | Township |
| Curwensville | 6 | 2,461 | 2,561 | -0.81% | 1,105 | 2.23 | Borough |
| Clearfield township | 7 | 2,337 | 2,428 | -0.55% | 99 | 23.68 | Township |
| Pike township | 8 | 2,234 | 2,305 | -0.76% | 53 | 41.83 | Township |
| Brady township | 9 | 1,859 | 1,936 | -0.96% | 50 | 37.23 | Township |
| Beccaria township | 10 | 1,709 | 1,765 | -0.76% | 48 | 35.85 | Township |
| Boggs township | 11 | 1,590 | 1,662 | -1% | 44 | 36.19 | Township |
| Clearfield township | 12 | 1,561 | 1,596 | -0.45% | 50 | 30.95 | Township |
| Graham township | 13 | 1,279 | 1,327 | -0.93% | 43 | 29.71 | Township |
| Huston township | 14 | 1,228 | 1,262 | -0.57% | 19 | 64 | Township |
| Bigler township | 15 | 1,221 | 1,238 | -0.08% | 50 | 24.28 | Township |
| Gulich township | 16 | 1,175 | 1,199 | -0.59% | 59 | 19.95 | Township |
| Burnside township | 17 | 1,030 | 1,061 | -0.58% | 23 | 44.01 | Township |
| Osceola Mills | 18 | 995 | 1,040 | -0.9% | 3,006 | 0.33 | Borough |
| Houtzdale | 19 | 729 | 764 | -0.95% | 1,903 | 0.38 | Borough |
| Irvona | 20 | 526 | 548 | -0.76% | 566 | 0.93 | Borough |
| Ramey | 21 | 419 | 433 | -0.71% | 452 | 0.93 | Borough |
| Coalport | 22 | 411 | 428 | -0.73% | 1,099 | 0.37 | Borough |
| Brisbin | 23 | 403 | 423 | -0.98% | 564 | 0.71 | Borough |
| Grampian | 24 | 342 | 356 | -0.87% | 1,213 | 0.28 | Borough |
| Westover | 25 | 342 | 356 | -0.87% | 127 | 2.69 | Borough |
| Wallaceton | 26 | 331 | 298 | 2.16% | 433 | 0.76 | Borough |
| Mahaffey | 27 | 310 | 322 | -0.64% | 724 | 0.43 | Borough |
| Troutville | 28 | 224 | 229 | -0.44% | 291 | 0.77 | Borough |
| Burnside | 29 | 183 | 188 | -0.54% | 109 | 1.68 | Borough |
| Glen Hope | 30 | 122 | 124 | 0% | 57 | 2.13 | Borough |
| New Washington | 31 | 50 | 52 | 0% | 22 | 2.29 | Borough |
Sandy township is the largest city in Clearfield County, with a population of 11,469.
New Washington is the smallest city in Clearfield County.
There are 31 cities in Clearfield County, Pennsylvania.