58 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Johnstown | 1 | 17,595 | 18,368 | -0.73% | 2,976 | 6 | City |
| Patton | 2 | 15,987 | 15,700 | 0.31% | 650 | 25 | Township |
| Cambria | 3 | 5,692 | 5,812 | -0.3% | 115 | 50 | Township |
| Adams | 4 | 5,560 | 5,745 | -0.57% | 121 | 46 | Township |
| Upper Yoder | 5 | 4,973 | 5,142 | -0.5% | 424 | 12 | Township |
| Westmont | 6 | 4,726 | 4,933 | -0.71% | 2,027 | 2 | Borough |
| Northern Cambria | 7 | 3,401 | 3,541 | -0.67% | 1,131 | 3 | Borough |
| Portage | 8 | 3,325 | 3,435 | -0.45% | 134 | 25 | Township |
| Ebensburg | 9 | 3,234 | 3,366 | -0.68% | 1,928 | 2 | Borough |
| Allegheny | 10 | 2,846 | 2,831 | 1.64% | 96 | 30 | Township |
| Cresson | 11 | 2,787 | 2,819 | -0.5% | 230 | 12 | Township |
| Stonycreek | 12 | 2,637 | 2,745 | -0.57% | 760 | 3 | Township |
| Nanty-Glo | 13 | 2,381 | 2,488 | -0.75% | 1,259 | 2 | Borough |
| Portage | 14 | 2,345 | 2,453 | -0.76% | 3,548 | 1 | Borough |
| Lower Yoder | 15 | 2,343 | 2,424 | -0.42% | 179 | 13 | Township |
| East Taylor | 16 | 2,330 | 2,418 | -0.55% | 258 | 9 | Township |
| Geistown | 17 | 2,263 | 2,362 | -0.7% | 2,131 | 1 | Borough |
| Croyle | 18 | 2,262 | 2,292 | -0.13% | 125 | 18 | Township |
| Summerhill | 19 | 2,208 | 2,292 | -0.67% | 77 | 29 | Township |
| Barr | 20 | 1,973 | 2,039 | -0.7% | 63 | 32 | Township |
| Southmont | 21 | 1,956 | 2,043 | -0.71% | 1,859 | 1 | Borough |
| Conemaugh | 22 | 1,870 | 1,927 | -0.48% | 168 | 11 | Township |
| Blacklick | 23 | 1,839 | 1,894 | -0.65% | 59 | 31 | Township |
| Patton | 24 | 1,653 | 1,725 | -0.72% | 1,868 | 1 | Borough |
| Cresson | 25 | 1,459 | 1,522 | -0.68% | 3,052 | 0 | Borough |
| Gallitzin | 26 | 1,458 | 1,524 | -0.75% | 2,042 | 1 | Borough |
| Reade | 27 | 1,391 | 1,437 | -0.71% | 36 | 39 | Township |
| East Carroll | 28 | 1,388 | 1,433 | -0.5% | 56 | 25 | Township |
| Gallitzin | 29 | 1,253 | 1,276 | -0.16% | 74 | 17 | Township |
| Summerhill | 30 | 1,213 | 1,198 | 0.5% | 48 | 25 | Township |
| Hastings | 31 | 1,159 | 1,213 | -0.77% | 2,103 | 1 | Borough |
| West Carroll | 32 | 1,136 | 1,179 | -0.7% | 108 | 11 | Township |
| Loretto | 33 | 1,126 | 1,182 | -0.79% | 1,193 | 1 | Borough |
| East Conemaugh | 34 | 1,036 | 1,083 | -0.77% | 3,767 | 0 | Borough |
| Elder | 35 | 1,007 | 1,031 | -0.49% | 76 | 13 | Township |
| Carrolltown | 36 | 993 | 1,038 | -0.7% | 1,482 | 1 | Borough |
| Dale | 37 | 946 | 988 | -0.73% | 5,406 | 0 | Borough |
| South Fork | 38 | 903 | 944 | -0.77% | 1,976 | 0 | Borough |
| Paint | 39 | 869 | 908 | -0.69% | 2,519 | 0 | Borough |
| Lilly | 40 | 838 | 870 | -0.59% | 1,653 | 1 | Borough |
| Scalp Level | 41 | 711 | 743 | -0.7% | 1,063 | 1 | Borough |
| West Taylor | 42 | 705 | 733 | -0.56% | 116 | 6 | Township |
| Munster | 43 | 638 | 659 | -0.47% | 45 | 14 | Township |
| Middle Taylor | 44 | 634 | 660 | -0.63% | 138 | 5 | Township |
| Sankertown | 45 | 607 | 630 | -0.65% | 2,051 | 0 | Borough |
| Lorain | 46 | 568 | 595 | -0.7% | 1,680 | 0 | Borough |
| Chest | 47 | 474 | 472 | 0.21% | 17 | 29 | Township |
| Summerhill | 48 | 456 | 476 | -0.65% | 1,425 | 0 | Borough |
| Vintondale | 49 | 397 | 414 | -0.75% | 880 | 0 | Borough |
| Dean | 50 | 324 | 331 | -0.61% | 16 | 21 | Township |
| Ashville | 51 | 206 | 212 | -0.48% | 1,164 | 0 | Borough |
| Wilmore | 52 | 197 | 206 | -0.51% | 523 | 0 | Borough |
| Ehrenfeld | 53 | 196 | 202 | -0.51% | 452 | 0 | Borough |
| Portage | 54 | 157 | 166 | -0.63% | 11 | 14 | Township |
| Portage | 55 | 155 | 161 | -0.64% | 4 | 38 | Township |
| Cassandra | 56 | 153 | 159 | -0.65% | 2,013 | 0 | Borough |
| Chest Springs | 57 | 135 | 141 | -0.74% | 699 | 0 | Borough |
| Glasgow | 58 | 69 | 72 | 0% | 1,150 | 0 | Borough |
Johnstown is the largest city in Cambria County, with a population of 17,595.
Glasgow is the smallest city in Cambria County, with a population of 69.
There are 58 cities in Cambria County, Pennsylvania.