281 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pittsburgh | 1 | 308,885 | 302,960 | 0.4% | 5,578 | 55 | City |
| Pittsburgh | 2 | 308,885 | 302,798 | 0.4% | 5,578 | 55 | City |
| Penn Hills | 3 | 39,466 | 41,061 | -0.43% | 2,062 | 19 | Township |
| Penn Hills | 4 | 39,466 | 40,998 | -0.43% | 2,062 | 19 | Township |
| Mount Lebanon | 5 | 32,761 | 34,074 | -0.47% | 5,390 | 6 | Township |
| Mount Lebanon | 6 | 32,761 | 34,022 | -0.47% | 5,390 | 6 | Township |
| Ross | 7 | 32,348 | 33,558 | -0.34% | 2,235 | 14 | Township |
| Ross | 8 | 32,348 | 33,531 | -0.34% | 2,235 | 14 | Township |
| Bethel Park | 9 | 32,091 | 33,565 | -0.88% | 2,742 | 12 | Township |
| Bethel Park | 10 | 32,091 | 33,515 | -0.88% | 2,742 | 12 | Township |
| McCandless | 11 | 28,576 | 29,704 | -0.38% | 1,733 | 16 | Township |
| McCandless | 12 | 28,576 | 29,665 | -0.38% | 1,733 | 16 | Township |
| Monroeville | 13 | 27,794 | 28,646 | -0.62% | 1,410 | 20 | Township |
| Monroeville | 14 | 27,794 | 28,653 | -0.62% | 1,410 | 20 | Township |
| Shaler | 15 | 26,987 | 28,126 | -0.45% | 2,438 | 11 | Township |
| Shaler | 16 | 26,987 | 28,083 | -0.45% | 2,438 | 11 | Township |
| Moon | 17 | 26,814 | 27,242 | 0.23% | 1,123 | 24 | Township |
| Moon | 18 | 26,814 | 27,214 | 0.23% | 1,123 | 24 | Township |
| Plum | 19 | 26,240 | 27,161 | -0.68% | 918 | 29 | Borough |
| Plum | 20 | 26,240 | 27,140 | -0.68% | 918 | 29 | Borough |
| Allison Park | 21 | 22,988 | 22,623 | 0.42% | 1,659 | 14 | CDP |
| Upper St. Clair | 22 | 20,573 | 21,155 | -0.23% | 2,096 | 10 | Township |
| Upper St. Clair | 23 | 20,573 | 21,143 | -0.23% | 2,096 | 10 | Township |
| Baldwin | 24 | 20,518 | 21,520 | -0.94% | 3,556 | 6 | Borough |
| Baldwin | 25 | 20,518 | 21,487 | -0.94% | 3,556 | 6 | Borough |
| West Mifflin | 26 | 18,734 | 19,597 | -0.89% | 1,318 | 14 | Borough |
| West Mifflin | 27 | 18,734 | 19,571 | -0.89% | 1,318 | 14 | Borough |
| South Fayette | 28 | 18,665 | 18,349 | 0.43% | 919 | 20 | Township |
| South Fayette | 29 | 18,665 | 18,351 | 0.43% | 919 | 20 | Township |
| Hampton | 30 | 17,904 | 18,479 | -0.31% | 1,105 | 16 | Township |
| Hampton | 31 | 17,904 | 18,467 | -0.31% | 1,105 | 16 | Township |
| McKeesport | 32 | 16,972 | 17,734 | -0.86% | 3,361 | 5 | City |
| McKeesport | 33 | 16,972 | 17,707 | -0.86% | 3,361 | 5 | City |
| Scott | 34 | 16,939 | 17,646 | -0.42% | 4,350 | 4 | Township |
| Scott | 35 | 16,939 | 17,619 | -0.42% | 4,350 | 4 | Township |
| North Fayette | 36 | 15,976 | 16,169 | -0.3% | 634 | 25 | Township |
| North Fayette | 37 | 15,976 | 16,195 | -0.3% | 634 | 25 | Township |
| Pine | 38 | 15,629 | 14,690 | 0.59% | 921 | 17 | Township |
| Pine | 39 | 15,629 | 14,743 | 0.59% | 921 | 17 | Township |
| Franklin Park | 40 | 14,975 | 15,490 | -0.69% | 1,106 | 14 | Borough |
| Franklin Park | 41 | 14,975 | 15,493 | -0.69% | 1,106 | 14 | Borough |
| Carnot-Moon | 42 | 13,838 | 12,242 | 1.2% | 2,314 | 6 | CDP |
| South Park | 43 | 13,707 | 13,733 | 0.01% | 1,468 | 9 | Township |
| South Park | 44 | 13,707 | 13,718 | 0.01% | 1,468 | 9 | Township |
| Wilkinsburg | 45 | 13,668 | 14,349 | -0.96% | 6,067 | 2 | Borough |
| Wilkinsburg | 46 | 13,668 | 14,327 | -0.96% | 6,067 | 2 | Borough |
| Elizabeth | 47 | 12,462 | 12,975 | -0.42% | 547 | 23 | Township |
| Elizabeth | 48 | 12,462 | 12,956 | -0.42% | 547 | 23 | Township |
| West Deer | 49 | 12,318 | 12,259 | 0.62% | 426 | 29 | Township |
| West Deer | 50 | 12,318 | 12,270 | 0.62% | 426 | 29 | Township |
| Jefferson Hills | 51 | 12,257 | 12,417 | -0.28% | 739 | 17 | Borough |
| Jefferson Hills | 52 | 12,257 | 12,426 | -0.28% | 739 | 17 | Borough |
| Lower Burrell | 53 | 11,491 | 11,763 | -0.44% | 1,020 | 11 | City |
| Lower Burrell | 54 | 11,491 | 11,745 | -0.44% | 1,020 | 11 | City |
| Marshall | 55 | 10,595 | 10,086 | 1.99% | 686 | 15 | Township |
| Marshall | 56 | 10,595 | 10,153 | 1.99% | 686 | 15 | Township |
| Munhall | 57 | 10,272 | 10,781 | -0.95% | 4,480 | 2 | Borough |
| Munhall | 58 | 10,272 | 10,764 | -0.95% | 4,480 | 2 | Borough |
| Harrison | 59 | 9,741 | 10,173 | -0.46% | 1,319 | 7 | Township |
| Harrison | 60 | 9,741 | 10,158 | -0.46% | 1,319 | 7 | Township |
| North Versailles | 61 | 9,645 | 10,077 | -0.51% | 1,205 | 8 | Township |
| North Versailles | 62 | 9,645 | 10,061 | -0.51% | 1,205 | 8 | Township |
| Brentwood | 63 | 9,611 | 10,092 | -0.96% | 6,633 | 1 | Borough |
| Brentwood | 64 | 9,611 | 10,075 | -0.96% | 6,633 | 1 | Borough |
| Glenshaw | 65 | 9,527 | 8,791 | 0.38% | 3,049 | 3 | CDP |
| Collier | 66 | 9,067 | 8,934 | 0.59% | 666 | 14 | Township |
| Collier | 67 | 9,067 | 8,944 | 0.59% | 666 | 14 | Township |
| Economy | 68 | 8,967 | 9,097 | -0.26% | 502 | 18 | Borough |
| Economy | 69 | 8,967 | 9,079 | -0.26% | 502 | 18 | Borough |
| O'Hara | 70 | 8,963 | 9,287 | -0.27% | 1,278 | 7 | Township |
| O'Hara | 71 | 8,963 | 9,274 | -0.27% | 1,278 | 7 | Township |
| Kennedy | 72 | 8,406 | 8,705 | -0.39% | 1,533 | 5 | Township |
| Kennedy | 73 | 8,406 | 8,697 | -0.39% | 1,533 | 5 | Township |
| Findlay | 74 | 8,384 | 6,373 | 12.12% | 260 | 32 | Township |
| Findlay | 75 | 8,384 | 6,411 | 12.12% | 260 | 32 | Township |
| Pleasant Hills | 76 | 8,275 | 8,504 | -0.52% | 2,981 | 3 | Borough |
| Pleasant Hills | 77 | 8,275 | 8,490 | -0.52% | 2,981 | 3 | Borough |
| Swissvale | 78 | 8,199 | 8,617 | -0.98% | 6,799 | 1 | Borough |
| Swissvale | 79 | 8,199 | 8,603 | -0.98% | 6,799 | 1 | Borough |
| Castle Shannon | 80 | 8,046 | 8,245 | -0.59% | 5,035 | 2 | Borough |
| Castle Shannon | 81 | 8,046 | 8,286 | -0.59% | 5,035 | 2 | Borough |
| Bellevue | 82 | 7,920 | 8,314 | -0.95% | 7,842 | 1 | Borough |
| Bellevue | 83 | 7,920 | 8,300 | -0.95% | 7,842 | 1 | Borough |
| Dormont | 84 | 7,845 | 8,241 | -0.97% | 10,322 | 1 | Borough |
| Dormont | 85 | 7,845 | 8,227 | -0.97% | 10,322 | 1 | Borough |
| Carnegie | 86 | 7,789 | 8,132 | -0.84% | 4,805 | 2 | Borough |
| Carnegie | 87 | 7,789 | 8,118 | -0.84% | 4,805 | 2 | Borough |
| Ohio | 88 | 7,374 | 7,172 | 0.6% | 1,076 | 7 | Township |
| Ohio | 89 | 7,374 | 7,172 | 0.6% | 1,076 | 7 | Township |
| White Oak | 90 | 7,283 | 7,636 | -0.94% | 1,100 | 7 | Borough |
| White Oak | 91 | 7,283 | 7,625 | -0.94% | 1,100 | 7 | Borough |
| Oakmont | 92 | 6,593 | 6,760 | -0.53% | 4,162 | 2 | Borough |
| Oakmont | 93 | 6,593 | 6,765 | -0.53% | 4,162 | 2 | Borough |
| West View | 94 | 6,364 | 6,685 | -0.96% | 6,301 | 1 | Borough |
| West View | 95 | 6,364 | 6,673 | -0.96% | 6,301 | 1 | Borough |
| Stowe | 96 | 6,156 | 6,434 | -0.5% | 3,106 | 2 | Township |
| Stowe | 97 | 6,156 | 6,423 | -0.5% | 3,106 | 2 | Township |
| Forest Hills | 98 | 6,127 | 6,430 | -0.95% | 3,915 | 2 | Borough |
| Forest Hills | 99 | 6,127 | 6,419 | -0.95% | 3,915 | 2 | Borough |
| Wilkins | 100 | 6,088 | 6,353 | -0.47% | 2,221 | 3 | Township |
| Wilkins | 101 | 6,088 | 6,344 | -0.47% | 2,221 | 3 | Township |
| Clairton | 102 | 5,888 | 6,183 | -0.96% | 2,126 | 3 | City |
| Clairton | 103 | 5,888 | 6,172 | -0.96% | 2,126 | 3 | City |
| Crafton | 104 | 5,806 | 6,099 | -0.97% | 5,084 | 1 | Borough |
| Crafton | 105 | 5,806 | 6,088 | -0.97% | 5,084 | 1 | Borough |
| McKees Rocks | 106 | 5,640 | 5,919 | -0.95% | 5,341 | 1 | Borough |
| McKees Rocks | 107 | 5,640 | 5,909 | -0.95% | 5,341 | 1 | Borough |
| Sewickley | 108 | 5,534 | 5,653 | -0.34% | 207 | 27 | Township |
| Sewickley | 109 | 5,534 | 5,644 | -0.34% | 207 | 27 | Township |
| Coraopolis | 110 | 5,289 | 5,554 | -0.96% | 3,977 | 1 | Borough |
| Coraopolis | 111 | 5,289 | 5,544 | -0.96% | 3,977 | 1 | Borough |
| Fox Chapel | 112 | 5,146 | 5,343 | -0.75% | 654 | 8 | Borough |
| Fox Chapel | 113 | 5,146 | 5,338 | -0.75% | 654 | 8 | Borough |
| Duquesne | 114 | 5,031 | 5,252 | -0.85% | 2,770 | 2 | City |
| Duquesne | 115 | 5,031 | 5,246 | -0.85% | 2,770 | 2 | City |
| Turtle Creek | 116 | 4,878 | 5,121 | -0.95% | 5,013 | 1 | Borough |
| Turtle Creek | 117 | 4,878 | 5,112 | -0.95% | 5,013 | 1 | Borough |
| Green Tree | 118 | 4,706 | 4,937 | -0.95% | 2,268 | 2 | Borough |
| Green Tree | 119 | 4,706 | 4,930 | -0.95% | 2,268 | 2 | Borough |
| Arnold | 120 | 4,630 | 4,773 | -0.58% | 6,325 | 1 | City |
| Arnold | 121 | 4,630 | 4,764 | -0.58% | 6,325 | 1 | City |
| Bridgeville | 122 | 4,576 | 4,801 | -0.95% | 4,179 | 1 | Borough |
| Bridgeville | 123 | 4,576 | 4,794 | -0.95% | 4,179 | 1 | Borough |
| Avalon | 124 | 4,550 | 4,775 | -0.96% | 7,374 | 1 | Borough |
| Avalon | 125 | 4,550 | 4,768 | -0.96% | 7,374 | 1 | Borough |
| Glassport | 126 | 4,256 | 4,470 | -0.98% | 2,690 | 2 | Borough |
| Glassport | 127 | 4,256 | 4,464 | -0.98% | 2,690 | 2 | Borough |
| Level Green | 128 | 4,170 | 3,957 | 0.24% | 1,097 | 4 | CDP |
| Tarentum | 129 | 4,143 | 4,349 | -0.96% | 3,368 | 1 | Borough |
| Tarentum | 130 | 4,143 | 4,343 | -0.96% | 3,368 | 1 | Borough |
| North Braddock | 131 | 4,108 | 4,319 | -0.99% | 2,753 | 1 | Borough |
| North Braddock | 132 | 4,108 | 4,311 | -0.99% | 2,753 | 1 | Borough |
| Elizabeth | 133 | 3,960 | 3,984 | -0.2% | 228 | 17 | Township |
| Elizabeth | 134 | 3,960 | 3,980 | -0.2% | 228 | 17 | Township |
| Sewickley | 135 | 3,737 | 3,907 | -0.88% | 3,741 | 1 | Borough |
| Sewickley | 136 | 3,737 | 3,901 | -0.88% | 3,741 | 1 | Borough |
| Port Vue | 137 | 3,535 | 3,675 | -0.76% | 3,117 | 1 | Borough |
| Port Vue | 138 | 3,535 | 3,670 | -0.76% | 3,117 | 1 | Borough |
| Etna | 139 | 3,272 | 3,435 | -0.97% | 4,446 | 1 | Borough |
| Etna | 140 | 3,272 | 3,430 | -0.97% | 4,446 | 1 | Borough |
| Springdale | 141 | 3,241 | 3,400 | -0.95% | 3,470 | 1 | Borough |
| Springdale | 142 | 3,241 | 3,395 | -0.95% | 3,470 | 1 | Borough |
| Mount Oliver | 143 | 3,227 | 3,390 | -0.98% | 9,519 | 0 | Borough |
| Mount Oliver | 144 | 3,227 | 3,385 | -0.98% | 9,519 | 0 | Borough |
| Millvale | 145 | 3,226 | 3,375 | -0.89% | 5,212 | 1 | Borough |
| Millvale | 146 | 3,226 | 3,370 | -0.89% | 5,212 | 1 | Borough |
| Ingram | 147 | 3,224 | 3,388 | -0.98% | 7,429 | 0 | Borough |
| Ingram | 148 | 3,224 | 3,383 | -0.98% | 7,429 | 0 | Borough |
| Bakerstown | 149 | 3,134 | 3,016 | 3.02% | 1,291 | 2 | CDP |
| Reserve | 150 | 3,133 | 3,252 | -0.44% | 1,518 | 2 | Township |
| Reserve | 151 | 3,133 | 3,247 | -0.44% | 1,518 | 2 | Township |
| Brackenridge | 152 | 3,096 | 3,244 | -0.93% | 6,035 | 1 | Borough |
| Brackenridge | 153 | 3,096 | 3,240 | -0.93% | 6,035 | 1 | Borough |
| Sharpsburg | 154 | 3,033 | 3,186 | -0.98% | 6,280 | 0 | Borough |
| Sharpsburg | 155 | 3,033 | 3,181 | -0.98% | 6,280 | 0 | Borough |
| Harmar | 156 | 3,007 | 3,133 | -0.46% | 513 | 6 | Township |
| Harmar | 157 | 3,007 | 3,129 | -0.46% | 513 | 6 | Township |
| Churchill | 158 | 3,006 | 3,156 | -0.96% | 1,374 | 2 | Borough |
| Churchill | 159 | 3,006 | 3,151 | -0.96% | 1,374 | 2 | Borough |
| Edgewood | 160 | 3,006 | 3,141 | -0.86% | 5,112 | 1 | Borough |
| Edgewood | 161 | 3,006 | 3,136 | -0.86% | 5,112 | 1 | Borough |
| Pitcairn | 162 | 2,954 | 3,105 | -1.01% | 5,838 | 1 | Borough |
| Pitcairn | 163 | 2,954 | 3,101 | -1.01% | 5,838 | 1 | Borough |
| Forward | 164 | 2,929 | 3,068 | -0.58% | 155 | 19 | Township |
| Forward | 165 | 2,929 | 3,061 | -0.58% | 155 | 19 | Township |
| Gibsonia | 166 | 2,912 | 2,372 | 0.41% | 757 | 4 | CDP |
| Seven Fields | 167 | 2,846 | 2,919 | -0.52% | 3,535 | 1 | Borough |
| Seven Fields | 168 | 2,846 | 2,919 | -0.52% | 3,535 | 1 | Borough |
| Homestead | 169 | 2,844 | 2,884 | -0.28% | 4,938 | 1 | Borough |
| Homestead | 170 | 2,844 | 2,881 | -0.28% | 4,938 | 1 | Borough |
| Imperial | 171 | 2,785 | 2,569 | 0.61% | 878 | 3 | CDP |
| Aspinwall | 172 | 2,776 | 2,915 | -0.96% | 7,909 | 0 | Borough |
| Aspinwall | 173 | 2,776 | 2,911 | -0.96% | 7,909 | 0 | Borough |
| Cecil-Bishop | 174 | 2,736 | 2,202 | 0.63% | 987 | 3 | CDP |
| Emsworth | 175 | 2,402 | 2,524 | -0.99% | 4,221 | 1 | Borough |
| Emsworth | 176 | 2,402 | 2,520 | -0.99% | 4,221 | 1 | Borough |
| Crescent | 177 | 2,382 | 2,480 | -0.5% | 1,139 | 2 | Township |
| Crescent | 178 | 2,382 | 2,479 | -0.5% | 1,139 | 2 | Township |
| Verona | 179 | 2,380 | 2,498 | -0.96% | 4,694 | 1 | Borough |
| Verona | 180 | 2,380 | 2,494 | -0.96% | 4,694 | 1 | Borough |
| Morgan | 181 | 2,158 | 2,336 | -1.69% | 87 | 25 | Township |
| Morgan | 182 | 2,158 | 2,327 | -1.69% | 87 | 25 | Township |
| Fawn | 183 | 2,117 | 2,194 | -0.33% | 165 | 13 | Township |
| Fawn | 184 | 2,117 | 2,191 | -0.33% | 165 | 13 | Township |
| McDonald | 185 | 2,002 | 2,057 | -0.55% | 3,865 | 1 | Borough |
| McDonald | 186 | 2,002 | 2,055 | -0.55% | 3,865 | 1 | Borough |
| East McKeesport | 187 | 1,971 | 2,072 | -1% | 4,772 | 0 | Borough |
| East McKeesport | 188 | 1,971 | 2,069 | -1% | 4,772 | 0 | Borough |
| Rankin | 189 | 1,915 | 1,891 | 0.26% | 4,423 | 0 | Borough |
| Rankin | 190 | 1,915 | 1,888 | 0.26% | 4,423 | 0 | Borough |
| Baldwin | 191 | 1,912 | 1,986 | -0.42% | 3,786 | 1 | Township |
| Baldwin | 192 | 1,912 | 1,983 | -0.42% | 3,786 | 1 | Township |
| East Pittsburgh | 193 | 1,837 | 1,929 | -0.97% | 4,735 | 0 | Borough |
| East Pittsburgh | 194 | 1,837 | 1,926 | -0.97% | 4,735 | 0 | Borough |
| Ben Avon | 195 | 1,823 | 1,915 | -0.98% | 4,810 | 0 | Borough |
| Ben Avon | 196 | 1,823 | 1,912 | -0.98% | 4,810 | 0 | Borough |
| Greenock | 197 | 1,820 | 1,836 | -1.36% | 1,707 | 1 | CDP |
| West Homestead | 198 | 1,788 | 1,871 | -0.89% | 1,939 | 1 | Borough |
| West Homestead | 199 | 1,788 | 1,868 | -0.89% | 1,939 | 1 | Borough |
| Baidland | 200 | 1,787 | 1,520 | 0.85% | 834 | 2 | CDP |
| Wilmerding | 201 | 1,703 | 1,785 | -0.93% | 3,970 | 0 | Borough |
| Wilmerding | 202 | 1,703 | 1,782 | -0.93% | 3,970 | 0 | Borough |
| Braddock | 203 | 1,656 | 1,722 | -0.78% | 2,941 | 1 | Borough |
| Braddock | 204 | 1,656 | 1,721 | -0.78% | 2,941 | 1 | Borough |
| Braddock Hills | 205 | 1,650 | 1,734 | -1.02% | 1,741 | 1 | Borough |
| Braddock Hills | 206 | 1,650 | 1,732 | -1.02% | 1,741 | 1 | Borough |
| Edgeworth | 207 | 1,619 | 1,677 | -0.74% | 1,082 | 1 | Borough |
| Edgeworth | 208 | 1,619 | 1,677 | -0.74% | 1,082 | 1 | Borough |
| Cheswick | 209 | 1,596 | 1,672 | -0.93% | 3,447 | 0 | Borough |
| Cheswick | 210 | 1,596 | 1,670 | -0.93% | 3,447 | 0 | Borough |
| Leet | 211 | 1,556 | 1,620 | -0.45% | 1,036 | 2 | Township |
| Leet | 212 | 1,556 | 1,618 | -0.45% | 1,036 | 2 | Township |
| Dravosburg | 213 | 1,537 | 1,611 | -0.97% | 1,591 | 1 | Borough |
| Dravosburg | 214 | 1,537 | 1,609 | -0.97% | 1,591 | 1 | Borough |
| Springdale | 215 | 1,467 | 1,536 | -0.61% | 651 | 2 | Township |
| Springdale | 216 | 1,467 | 1,534 | -0.61% | 651 | 2 | Township |
| Bell Acres | 217 | 1,458 | 1,506 | -0.68% | 272 | 5 | Borough |
| Bell Acres | 218 | 1,458 | 1,506 | -0.68% | 272 | 5 | Borough |
| East Deer | 219 | 1,425 | 1,490 | -0.56% | 627 | 2 | Township |
| East Deer | 220 | 1,425 | 1,488 | -0.56% | 627 | 2 | Township |
| Oakdale | 221 | 1,414 | 1,479 | -0.91% | 3,015 | 0 | Borough |
| Oakdale | 222 | 1,414 | 1,477 | -0.91% | 3,015 | 0 | Borough |
| Versailles | 223 | 1,410 | 1,481 | -0.98% | 2,913 | 0 | Borough |
| Versailles | 224 | 1,410 | 1,479 | -0.98% | 2,913 | 0 | Borough |
| Blawnox | 225 | 1,386 | 1,456 | -1% | 4,682 | 0 | Borough |
| Blawnox | 226 | 1,386 | 1,454 | -1% | 4,682 | 0 | Borough |
| Elizabeth | 227 | 1,347 | 1,395 | -0.74% | 3,927 | 0 | Borough |
| Elizabeth | 228 | 1,347 | 1,395 | -0.74% | 3,927 | 0 | Borough |
| Sturgeon | 229 | 1,331 | 1,275 | -1.84% | 1,188 | 1 | CDP |
| Enlow | 230 | 1,253 | 885 | 1.29% | 1,743 | 1 | CDP |
| Heidelberg | 231 | 1,228 | 1,289 | -0.97% | 4,279 | 0 | Borough |
| Heidelberg | 232 | 1,228 | 1,287 | -0.97% | 4,279 | 0 | Borough |
| Frazer | 233 | 1,220 | 1,164 | -0.49% | 131 | 9 | Township |
| Frazer | 234 | 1,220 | 1,162 | -0.49% | 131 | 9 | Township |
| Russellton | 235 | 1,170 | 1,062 | -1.52% | 811 | 1 | CDP |
| Bradford Woods | 236 | 1,130 | 1,187 | -0.96% | 1,268 | 1 | Borough |
| Bradford Woods | 237 | 1,130 | 1,185 | -0.96% | 1,268 | 1 | Borough |
| Whitaker | 238 | 1,124 | 1,180 | -0.97% | 3,797 | 0 | Borough |
| Whitaker | 239 | 1,124 | 1,178 | -0.97% | 3,797 | 0 | Borough |
| Leetsdale | 240 | 1,109 | 1,160 | -0.89% | 1,110 | 1 | Borough |
| Leetsdale | 241 | 1,109 | 1,158 | -0.89% | 1,110 | 1 | Borough |
| Neville | 242 | 1,060 | 1,107 | -0.47% | 692 | 2 | Township |
| Neville | 243 | 1,060 | 1,105 | -0.47% | 692 | 2 | Township |
| Rennerdale | 244 | 906 | 865 | -1.74% | 1,145 | 1 | CDP |
| Lincoln | 245 | 886 | 931 | -1.01% | 185 | 5 | Borough |
| Lincoln | 246 | 886 | 930 | -1.01% | 185 | 5 | Borough |
| Harwick | 247 | 853 | 882 | -0.35% | 1,930 | 0 | CDP |
| Curtisville | 248 | 830 | 1,144 | -1.89% | 583 | 1 | CDP |
| Sewickley Heights | 249 | 817 | 850 | -0.85% | 112 | 7 | Borough |
| Sewickley Heights | 250 | 817 | 849 | -0.85% | 112 | 7 | Borough |
| North Irwin | 251 | 810 | 823 | -0.37% | 4,010 | 0 | Borough |
| North Irwin | 252 | 810 | 822 | -0.37% | 4,010 | 0 | Borough |
| Kilbuck | 253 | 742 | 777 | -0.54% | 293 | 3 | Township |
| Kilbuck | 254 | 742 | 776 | -0.54% | 293 | 3 | Township |
| Chalfant | 255 | 711 | 747 | -0.97% | 4,500 | 0 | Borough |
| Chalfant | 256 | 711 | 746 | -0.97% | 4,500 | 0 | Borough |
| Sewickley Hills | 257 | 685 | 690 | -0.29% | 278 | 2 | Borough |
| Sewickley Hills | 258 | 685 | 692 | -0.29% | 278 | 2 | Borough |
| Pennsbury Village | 259 | 643 | 676 | -1.08% | 8,573 | 0 | Borough |
| Pennsbury Village | 260 | 643 | 675 | -1.08% | 8,573 | 0 | Borough |
| Bairdford | 261 | 642 | 524 | -0.62% | 409 | 2 | CDP |
| Glen Osborne | 262 | 563 | 589 | -0.88% | 1,309 | 0 | Borough |
| Glen Osborne | 263 | 563 | 588 | -0.88% | 1,309 | 0 | Borough |
| Noblestown | 264 | 521 | 421 | -0.76% | 431 | 1 | CDP |
| Wall | 265 | 490 | 516 | -1.01% | 1,121 | 0 | Borough |
| Wall | 266 | 490 | 515 | -1.01% | 1,121 | 0 | Borough |
| Thornburg | 267 | 445 | 466 | -0.89% | 1,016 | 0 | Borough |
| Thornburg | 268 | 445 | 465 | -0.89% | 1,016 | 0 | Borough |
| Rosslyn Farms | 269 | 421 | 441 | -0.94% | 759 | 1 | Borough |
| Rosslyn Farms | 270 | 421 | 440 | -0.94% | 759 | 1 | Borough |
| West Elizabeth | 271 | 383 | 404 | -1.03% | 2,140 | 0 | Borough |
| West Elizabeth | 272 | 383 | 403 | -1.03% | 2,140 | 0 | Borough |
| Ben Avon Heights | 273 | 380 | 399 | -1.04% | 2,184 | 0 | Borough |
| Ben Avon Heights | 274 | 380 | 398 | -1.04% | 2,184 | 0 | Borough |
| South Versailles | 275 | 300 | 316 | -0.99% | 346 | 1 | Township |
| South Versailles | 276 | 300 | 316 | -0.99% | 346 | 1 | Township |
| Boston | 277 | 215 | 287 | -9.28% | 653 | 0 | CDP |
| Glenfield | 278 | 198 | 208 | -1% | 241 | 1 | Borough |
| Glenfield | 279 | 198 | 208 | -1% | 241 | 1 | Borough |
| Haysville | 280 | 78 | 82 | -1.27% | 451 | 0 | Borough |
| Haysville | 281 | 78 | 82 | -1.27% | 451 | 0 | Borough |
Pittsburgh is the largest city in Allegheny County, with a population of 308,885.
Haysville is the smallest city in Allegheny County, with a population of 78.
There are 281 cities in Allegheny County, Pennsylvania.