150 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pittsburgh | 1 | 303,572 | 302,779 | 0.05% | 5,482 | 55 | City |
| Penn Hills | 2 | 38,721 | 40,992 | -1.18% | 2,023 | 19 | Township |
| Mount Lebanon | 3 | 32,404 | 34,020 | -0.82% | 5,331 | 6 | Township |
| Ross | 4 | 31,691 | 33,528 | -1.16% | 2,190 | 14 | Township |
| Bethel Park | 5 | 31,653 | 33,515 | -1.16% | 2,705 | 12 | Township |
| McCandless | 6 | 28,109 | 29,664 | -0.99% | 1,704 | 16 | Township |
| Monroeville | 7 | 27,524 | 28,649 | -0.81% | 1,396 | 20 | Township |
| Shaler | 8 | 26,498 | 28,083 | -1.15% | 2,394 | 11 | Township |
| Moon | 9 | 26,359 | 27,216 | -0.44% | 1,104 | 24 | Township |
| Plum | 10 | 25,890 | 27,142 | -0.96% | 906 | 29 | Borough |
| Allison Park | 11 | 22,988 | 22,623 | 0.42% | 1,659 | 14 | CDP |
| Baldwin | 12 | 20,197 | 21,474 | -1.25% | 3,500 | 6 | Borough |
| Upper St. Clair | 13 | 20,165 | 21,137 | -1.02% | 2,054 | 10 | Township |
| West Mifflin | 14 | 18,483 | 19,565 | -1.16% | 1,300 | 14 | Borough |
| South Fayette | 15 | 18,446 | 18,352 | 0.01% | 909 | 20 | Township |
| Hampton | 16 | 17,592 | 18,464 | -0.98% | 1,085 | 16 | Township |
| McKeesport | 17 | 16,747 | 17,709 | -1.13% | 3,317 | 5 | City |
| Scott | 18 | 16,636 | 17,619 | -1.12% | 4,272 | 4 | Township |
| North Fayette | 19 | 15,824 | 16,190 | -0.6% | 628 | 25 | Township |
| Pine | 20 | 15,602 | 14,744 | 0.69% | 919 | 17 | Township |
| Franklin Park | 21 | 14,712 | 15,492 | -1.05% | 1,087 | 14 | Borough |
| Carnot-Moon | 22 | 13,838 | 12,242 | 1.2% | 2,314 | 6 | CDP |
| South Park | 23 | 13,710 | 13,718 | 0.21% | 1,468 | 9 | Township |
| Wilkinsburg | 24 | 13,470 | 14,327 | -1.25% | 5,979 | 2 | Borough |
| Elizabeth | 25 | 12,238 | 12,957 | -1.12% | 537 | 23 | Township |
| Jefferson Hills | 26 | 12,012 | 12,427 | -0.69% | 724 | 17 | Borough |
| West Deer | 27 | 11,887 | 12,267 | -0.94% | 411 | 29 | Township |
| Lower Burrell | 28 | 11,442 | 11,739 | -0.51% | 1,015 | 11 | City |
| Munhall | 29 | 10,124 | 10,764 | -1.25% | 4,415 | 2 | Borough |
| Marshall | 30 | 10,083 | 10,147 | -0.28% | 653 | 15 | Township |
| Harrison | 31 | 9,562 | 10,157 | -1.18% | 1,294 | 7 | Township |
| Glenshaw | 32 | 9,527 | 8,791 | 0.38% | 3,049 | 3 | CDP |
| North Versailles | 33 | 9,477 | 10,061 | -1.18% | 1,184 | 8 | Township |
| Brentwood | 34 | 9,464 | 10,069 | -1.26% | 6,531 | 1 | Borough |
| Collier | 35 | 8,923 | 8,945 | -0.03% | 655 | 14 | Township |
| Economy | 36 | 8,880 | 9,084 | -0.46% | 497 | 18 | Borough |
| O'Hara | 37 | 8,781 | 9,272 | -1.08% | 1,252 | 7 | Township |
| Kennedy | 38 | 8,248 | 8,697 | -1.13% | 1,504 | 5 | Township |
| Pleasant Hills | 39 | 8,212 | 8,487 | -0.67% | 2,958 | 3 | Borough |
| Swissvale | 40 | 8,080 | 8,604 | -1.28% | 6,700 | 1 | Borough |
| Castle Shannon | 41 | 7,975 | 8,290 | -0.78% | 4,991 | 2 | Borough |
| Bellevue | 42 | 7,800 | 8,300 | -1.27% | 7,723 | 1 | Borough |
| Dormont | 43 | 7,732 | 8,227 | -1.26% | 10,174 | 1 | Borough |
| Carnegie | 44 | 7,663 | 8,122 | -1.19% | 4,727 | 2 | Borough |
| Ohio | 45 | 7,407 | 7,168 | 1.04% | 1,081 | 7 | Township |
| White Oak | 46 | 7,165 | 7,617 | -1.24% | 1,082 | 7 | Borough |
| Findlay | 47 | 6,568 | 6,409 | 0.17% | 204 | 32 | Township |
| Oakmont | 48 | 6,532 | 6,767 | -0.71% | 4,124 | 2 | Borough |
| West View | 49 | 6,277 | 6,676 | -1.26% | 6,215 | 1 | Borough |
| Stowe | 50 | 6,047 | 6,421 | -1.18% | 3,051 | 2 | Township |
| Forest Hills | 51 | 6,036 | 6,418 | -1.24% | 3,857 | 2 | Borough |
| Wilkins | 52 | 5,982 | 6,344 | -1.16% | 2,182 | 3 | Township |
| Clairton | 53 | 5,801 | 6,171 | -1.26% | 2,095 | 3 | City |
| Crafton | 54 | 5,720 | 6,085 | -1.26% | 5,009 | 1 | Borough |
| McKees Rocks | 55 | 5,553 | 5,908 | -1.26% | 5,259 | 1 | Borough |
| Sewickley | 56 | 5,545 | 5,648 | -0.22% | 207 | 27 | Township |
| Coraopolis | 57 | 5,210 | 5,544 | -1.27% | 3,917 | 1 | Borough |
| Fox Chapel | 58 | 5,075 | 5,337 | -1.01% | 645 | 8 | Borough |
| Duquesne | 59 | 4,958 | 5,243 | -1.14% | 2,730 | 2 | City |
| Turtle Creek | 60 | 4,807 | 5,111 | -1.25% | 4,940 | 1 | Borough |
| Green Tree | 61 | 4,639 | 4,929 | -1.23% | 2,236 | 2 | Borough |
| Arnold | 62 | 4,610 | 4,774 | -0.71% | 6,298 | 1 | City |
| Bridgeville | 63 | 4,508 | 4,793 | -1.25% | 4,117 | 1 | Borough |
| Avalon | 64 | 4,473 | 4,760 | -1.26% | 7,250 | 1 | Borough |
| Glassport | 65 | 4,193 | 4,463 | -1.27% | 2,650 | 2 | Borough |
| Level Green | 66 | 4,170 | 3,957 | 0.24% | 1,097 | 4 | CDP |
| Tarentum | 67 | 4,083 | 4,343 | -1.26% | 3,320 | 1 | Borough |
| North Braddock | 68 | 4,048 | 4,310 | -1.27% | 2,713 | 1 | Borough |
| Elizabeth | 69 | 3,959 | 3,980 | -0.1% | 228 | 17 | Township |
| Sewickley | 70 | 3,685 | 3,902 | -1.15% | 3,689 | 1 | Borough |
| Port Vue | 71 | 3,498 | 3,672 | -0.99% | 3,085 | 1 | Borough |
| Etna | 72 | 3,227 | 3,432 | -1.25% | 4,385 | 1 | Borough |
| Springdale | 73 | 3,191 | 3,395 | -1.27% | 3,416 | 1 | Borough |
| Mount Oliver | 74 | 3,178 | 3,385 | -1.27% | 9,375 | 0 | Borough |
| Ingram | 75 | 3,176 | 3,383 | -1.27% | 7,318 | 0 | Borough |
| Millvale | 76 | 3,171 | 3,368 | -1.21% | 5,123 | 1 | Borough |
| Bakerstown | 77 | 3,134 | 3,016 | 3.02% | 1,291 | 2 | CDP |
| Reserve | 78 | 3,091 | 3,244 | -0.87% | 1,498 | 2 | Township |
| Brackenridge | 79 | 3,052 | 3,239 | -1.2% | 5,949 | 1 | Borough |
| Sharpsburg | 80 | 2,985 | 3,177 | -1.26% | 6,180 | 0 | Borough |
| Churchill | 81 | 2,959 | 3,148 | -1.27% | 1,352 | 2 | Borough |
| Harmar | 82 | 2,955 | 3,131 | -1.17% | 504 | 6 | Township |
| Edgewood | 83 | 2,953 | 3,135 | -1.2% | 5,022 | 1 | Borough |
| Gibsonia | 84 | 2,912 | 2,372 | 0.41% | 757 | 4 | CDP |
| Pitcairn | 85 | 2,911 | 3,100 | -1.29% | 5,753 | 1 | Borough |
| Forward | 86 | 2,881 | 3,063 | -1.2% | 152 | 19 | Township |
| Homestead | 87 | 2,834 | 2,881 | -0.32% | 4,920 | 1 | Borough |
| Seven Fields | 88 | 2,822 | 2,921 | -0.7% | 3,506 | 1 | Borough |
| Imperial | 89 | 2,785 | 2,569 | 0.61% | 878 | 3 | CDP |
| Cecil-Bishop | 90 | 2,736 | 2,202 | 0.63% | 987 | 3 | CDP |
| Aspinwall | 91 | 2,735 | 2,912 | -1.26% | 7,792 | 0 | Borough |
| Emsworth | 92 | 2,365 | 2,517 | -1.25% | 4,156 | 1 | Borough |
| Crescent | 93 | 2,337 | 2,477 | -1.23% | 1,117 | 2 | Township |
| Verona | 94 | 2,335 | 2,485 | -1.27% | 4,606 | 1 | Borough |
| Morgan | 95 | 2,172 | 2,331 | -1.18% | 88 | 25 | Township |
| Fawn | 96 | 2,081 | 2,191 | -1% | 162 | 13 | Township |
| McDonald | 97 | 1,993 | 2,053 | -0.6% | 3,847 | 1 | Borough |
| East McKeesport | 98 | 1,941 | 2,068 | -1.27% | 4,700 | 0 | Borough |
| Baldwin | 99 | 1,881 | 1,980 | -0.95% | 3,725 | 1 | Township |
| Greenock | 100 | 1,820 | 1,836 | -1.36% | 1,707 | 1 | CDP |
| East Pittsburgh | 101 | 1,808 | 1,925 | -1.26% | 4,660 | 0 | Borough |
| Ben Avon | 102 | 1,804 | 1,919 | -1.26% | 4,760 | 0 | Borough |
| Baidland | 103 | 1,787 | 1,520 | 0.85% | 834 | 2 | CDP |
| Rankin | 104 | 1,774 | 1,889 | -1.28% | 4,097 | 0 | Borough |
| West Homestead | 105 | 1,759 | 1,868 | -1.24% | 1,908 | 1 | Borough |
| Wilmerding | 106 | 1,672 | 1,779 | -1.24% | 3,897 | 0 | Borough |
| Braddock | 107 | 1,636 | 1,720 | -1.03% | 2,906 | 1 | Borough |
| Braddock Hills | 108 | 1,624 | 1,729 | -1.28% | 1,713 | 1 | Borough |
| Edgeworth | 109 | 1,596 | 1,673 | -0.93% | 1,067 | 1 | Borough |
| Cheswick | 110 | 1,573 | 1,670 | -1.19% | 3,397 | 0 | Borough |
| Leet | 111 | 1,531 | 1,619 | -1.1% | 1,019 | 2 | Township |
| Dravosburg | 112 | 1,516 | 1,610 | -1.24% | 1,569 | 1 | Borough |
| Springdale | 113 | 1,444 | 1,534 | -1.16% | 641 | 2 | Township |
| Bell Acres | 114 | 1,437 | 1,507 | -0.96% | 268 | 5 | Borough |
| Frazer | 115 | 1,415 | 1,164 | 7.03% | 151 | 9 | Township |
| East Deer | 116 | 1,402 | 1,487 | -1.13% | 617 | 2 | Township |
| Oakdale | 117 | 1,394 | 1,478 | -1.2% | 2,972 | 0 | Borough |
| Versailles | 118 | 1,390 | 1,479 | -1.28% | 2,872 | 0 | Borough |
| Blawnox | 119 | 1,367 | 1,454 | -1.23% | 4,618 | 0 | Borough |
| Sturgeon | 120 | 1,331 | 1,275 | -1.84% | 1,188 | 1 | CDP |
| Elizabeth | 121 | 1,330 | 1,392 | -0.89% | 3,878 | 0 | Borough |
| Enlow | 122 | 1,253 | 885 | 1.29% | 1,743 | 1 | CDP |
| Heidelberg | 123 | 1,207 | 1,286 | -1.31% | 4,206 | 0 | Borough |
| Russellton | 124 | 1,170 | 1,062 | -1.52% | 811 | 1 | CDP |
| Bradford Woods | 125 | 1,116 | 1,185 | -1.24% | 1,253 | 1 | Borough |
| Whitaker | 126 | 1,106 | 1,178 | -1.25% | 3,736 | 0 | Borough |
| Leetsdale | 127 | 1,098 | 1,162 | -1.17% | 1,099 | 1 | Borough |
| Neville | 128 | 1,041 | 1,105 | -1.14% | 680 | 2 | Township |
| Rennerdale | 129 | 906 | 865 | -1.74% | 1,145 | 1 | CDP |
| Lincoln | 130 | 871 | 930 | -1.36% | 181 | 5 | Borough |
| Harwick | 131 | 853 | 882 | -0.35% | 1,930 | 0 | CDP |
| Curtisville | 132 | 830 | 1,144 | -1.89% | 583 | 1 | CDP |
| Sewickley Heights | 133 | 812 | 854 | -0.98% | 111 | 7 | Borough |
| North Irwin | 134 | 809 | 821 | -0.25% | 4,005 | 0 | Borough |
| Kilbuck | 135 | 724 | 776 | -1.5% | 286 | 3 | Township |
| Chalfant | 136 | 700 | 747 | -1.27% | 4,430 | 0 | Borough |
| Sewickley Hills | 137 | 684 | 693 | -0.29% | 277 | 2 | Borough |
| Bairdford | 138 | 642 | 524 | -0.62% | 409 | 2 | CDP |
| Pennsbury Village | 139 | 633 | 675 | -1.25% | 8,440 | 0 | Borough |
| Glen Osborne | 140 | 553 | 587 | -1.25% | 1,286 | 0 | Borough |
| Noblestown | 141 | 521 | 421 | -0.76% | 431 | 1 | CDP |
| Wall | 142 | 485 | 515 | -1.22% | 1,110 | 0 | Borough |
| Thornburg | 143 | 441 | 468 | -1.12% | 1,007 | 0 | Borough |
| Rosslyn Farms | 144 | 414 | 439 | -1.19% | 746 | 1 | Borough |
| West Elizabeth | 145 | 378 | 403 | -1.31% | 2,112 | 0 | Borough |
| Ben Avon Heights | 146 | 376 | 398 | -1.05% | 2,161 | 0 | Borough |
| South Versailles | 147 | 298 | 315 | -1% | 344 | 1 | Township |
| Boston | 148 | 215 | 287 | -9.28% | 653 | 0 | CDP |
| Glenfield | 149 | 196 | 210 | -1.51% | 239 | 1 | Borough |
| Haysville | 150 | 77 | 82 | -1.28% | 445 | 0 | Borough |
Pittsburgh is the largest city in Allegheny County, with a population of 303,572.
Haysville is the smallest city in Allegheny County, with a population of 77.
There are 150 cities in Allegheny County, Pennsylvania.