There are 92 cities in Westmoreland County, Pennsylvania.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Monroeville | 1 | Pennsylvania | 27,749 | 28,649 | -0.8% | 1,407 | 19.72 |
| Plum | 2 | Pennsylvania | 26,140 | 27,142 | -0.95% | 915 | 28.57 |
| Murrysville | 3 | Pennsylvania | 20,673 | 20,961 | -0.35% | 561 | 36.83 |
| McKeesport | 4 | Pennsylvania | 16,939 | 17,709 | -1.13% | 3,355 | 5.05 |
| Greensburg | 5 | Pennsylvania | 14,503 | 14,903 | -0.69% | 3,584 | 4.05 |
| New Kensington | 6 | Pennsylvania | 11,831 | 12,150 | -0.67% | 2,996 | 3.95 |
| Lower Burrell | 7 | Pennsylvania | 11,501 | 11,739 | -0.52% | 1,020 | 11.27 |
| Jeannette | 8 | Pennsylvania | 8,533 | 8,765 | -0.68% | 3,573 | 2.39 |
| Latrobe | 9 | Pennsylvania | 7,876 | 8,058 | -0.58% | 3,401 | 2.32 |
| White Oak | 10 | Pennsylvania | 7,255 | 7,617 | -1.24% | 1,096 | 6.62 |
| Monessen | 11 | Pennsylvania | 6,677 | 6,861 | -0.68% | 2,313 | 2.89 |
| Somerset | 12 | Pennsylvania | 5,851 | 6,039 | -0.8% | 2,144 | 2.73 |
| Vandergrift | 13 | Pennsylvania | 4,924 | 5,060 | -0.69% | 3,618 | 1.36 |
| Arnold | 14 | Pennsylvania | 4,643 | 4,774 | -0.71% | 6,343 | 0.73 |
| Scottdale | 15 | Pennsylvania | 4,309 | 4,421 | -0.65% | 3,699 | 1.17 |
| Level Green | 16 | Pennsylvania | 4,164 | 3,957 | 0.29% | 1,095 | 3.80 |
| Mount Pleasant | 17 | Pennsylvania | 4,133 | 4,244 | -0.67% | 4,129 | 1 |
| Irwin | 18 | Pennsylvania | 3,789 | 3,884 | -0.63% | 4,527 | 0.84 |
| Manor | 19 | Pennsylvania | 3,502 | 3,574 | -0.51% | 1,831 | 1.91 |
| Loyalhanna | 20 | Pennsylvania | 3,386 | 3,486 | -0.73% | 1,438 | 2.35 |
| Trafford | 21 | Pennsylvania | 3,220 | 3,312 | -0.71% | 2,227 | 1.45 |
| Blairsville | 22 | Pennsylvania | 3,199 | 3,215 | -0.13% | 2,262 | 1.41 |
| Pitcairn | 23 | Pennsylvania | 2,949 | 3,100 | -1.27% | 5,828 | 0.51 |
| Youngwood | 24 | Pennsylvania | 2,890 | 2,969 | -0.69% | 1,507 | 1.92 |
| Delmont | 25 | Pennsylvania | 2,605 | 2,611 | -0.08% | 2,467 | 1.06 |
| West Newton | 26 | Pennsylvania | 2,586 | 2,661 | -0.73% | 2,494 | 1.04 |
| Derry | 27 | Pennsylvania | 2,569 | 2,637 | -0.66% | 3,328 | 0.77 |
| Lawson Heights | 28 | Pennsylvania | 2,486 | 2,468 | 0.2% | 1,625 | 1.53 |
| New Stanton | 29 | Pennsylvania | 2,270 | 2,330 | -0.66% | 567 | 4.01 |
| Southwest Greensburg | 30 | Pennsylvania | 2,157 | 2,219 | -0.74% | 5,503 | 0.39 |
| South Greensburg | 31 | Pennsylvania | 2,101 | 2,131 | -0.38% | 2,972 | 0.71 |
| Leechburg | 32 | Pennsylvania | 2,072 | 2,146 | -0.91% | 4,720 | 0.44 |
| Lynnwood-Pricedale | 33 | Pennsylvania | 2,006 | 1,830 | 2.24% | 1,623 | 1.24 |
| North Belle Vernon | 34 | Pennsylvania | 1,819 | 1,871 | -0.71% | 4,331 | 0.42 |
| Freeport | 35 | Pennsylvania | 1,677 | 1,739 | -0.95% | 1,320 | 1.27 |
| Apollo | 36 | Pennsylvania | 1,554 | 1,608 | -0.89% | 5,095 | 0.30 |
| St. Vincent College | 37 | Pennsylvania | 1,545 | 1,325 | 3.69% | 3,065 | 0.50 |
| Ligonier | 38 | Pennsylvania | 1,471 | 1,510 | -0.68% | 2,919 | 0.50 |
| Orchard Hills | 39 | Pennsylvania | 1,450 | 2,390 | -13.95% | 367 | 3.95 |
| West Leechburg | 40 | Pennsylvania | 1,235 | 1,267 | -0.64% | 1,254 | 0.98 |
| Fairhope | 41 | Pennsylvania | 1,214 | 1,160 | 1.17% | 1,435 | 0.85 |
| North Apollo | 42 | Pennsylvania | 1,213 | 1,252 | -0.82% | 2,234 | 0.54 |
| Boswell | 43 | Pennsylvania | 1,198 | 1,221 | -0.5% | 1,621 | 0.74 |
| Fellsburg | 44 | Pennsylvania | 1,143 | 1,206 | 0.18% | 923 | 1.24 |
| Norvelt | 45 | Pennsylvania | 1,085 | 862 | 3.83% | 605 | 1.79 |
| Speers | 46 | Pennsylvania | 1,065 | 1,084 | -0.47% | 1,120 | 0.95 |
| Black Lick | 47 | Pennsylvania | 1,039 | 1,416 | 1.96% | 416 | 2.50 |
| Collinsburg | 48 | Pennsylvania | 1,003 | 964 | -3% | 564 | 1.78 |
| Belle Vernon | 49 | Pennsylvania | 979 | 1,027 | -1.21% | 3,751 | 0.26 |
| Bear Rocks | 50 | Pennsylvania | 949 | 1,174 | -5.38% | 293 | 3.24 |
| Calumet | 51 | Pennsylvania | 885 | 1,415 | -10.88% | 406 | 2.18 |
| Avonmore | 52 | Pennsylvania | 879 | 902 | -0.68% | 598 | 1.47 |
| Export | 53 | Pennsylvania | 870 | 896 | -0.8% | 2,159 | 0.40 |
| North Irwin | 54 | Pennsylvania | 811 | 821 | -0.37% | 4,015 | 0.20 |
| Oklahoma | 55 | Pennsylvania | 768 | 788 | -0.65% | 1,265 | 0.61 |
| Saltsburg | 56 | Pennsylvania | 764 | 768 | -0.13% | 3,691 | 0.21 |
| Penn | 57 | Pennsylvania | 681 | 436 | 9.84% | 4,338 | 0.16 |
| Yukon | 58 | Pennsylvania | 677 | 543 | 5.29% | 722 | 0.94 |
| Pleasant View | 59 | Pennsylvania | 669 | 634 | -4.57% | 1,161 | 0.58 |
| Jennerstown | 60 | Pennsylvania | 662 | 678 | -0.6% | 344 | 1.92 |
| New Florence | 61 | Pennsylvania | 652 | 672 | -0.76% | 1,988 | 0.33 |
| East Vandergrift | 62 | Pennsylvania | 587 | 602 | -0.68% | 4,659 | 0.13 |
| Sutersville | 63 | Pennsylvania | 549 | 552 | -0.18% | 2,018 | 0.27 |
| Wyano | 64 | Pennsylvania | 504 | 591 | 6.55% | 428 | 1.18 |
| Hyde Park | 65 | Pennsylvania | 494 | 506 | -0.6% | 2,058 | 0.24 |
| New Alexandria | 66 | Pennsylvania | 485 | 500 | -0.82% | 573 | 0.85 |
| Fayette City | 67 | Pennsylvania | 479 | 502 | -1.24% | 2,158 | 0.22 |
| Arnold City | 68 | Pennsylvania | 477 | 337 | 7.92% | 994 | 0.48 |
| Bradenville | 69 | Pennsylvania | 475 | 214 | 2.81% | 1,161 | 0.41 |
| Hostetter | 70 | Pennsylvania | 426 | 306 | 5.97% | 586 | 0.73 |
| Bolivar | 71 | Pennsylvania | 423 | 434 | -0.7% | 2,474 | 0.17 |
| Mammoth | 72 | Pennsylvania | 421 | 428 | 3.69% | 208 | 2.02 |
| Seward | 73 | Pennsylvania | 399 | 409 | -0.75% | 1,975 | 0.20 |
| Slickville | 74 | Pennsylvania | 399 | 195 | 14.66% | 770 | 0.52 |
| North Vandergrift | 75 | Pennsylvania | 387 | 247 | 6.32% | 985 | 0.39 |
| Madison | 76 | Pennsylvania | 355 | 363 | -0.56% | 814 | 0.44 |
| Smithton | 77 | Pennsylvania | 334 | 345 | -0.89% | 3,275 | 0.10 |
| Herminie | 78 | Pennsylvania | 328 | 108 | 20.15% | 1,350 | 0.24 |
| Grapeville | 79 | Pennsylvania | 319 | 373 | -3.62% | 2,512 | 0.13 |
| Hunker | 80 | Pennsylvania | 300 | 311 | -0.99% | 1,186 | 0.25 |
| Millwood | 81 | Pennsylvania | 285 | 489 | -15.18% | 460 | 0.62 |
| Crabtree | 82 | Pennsylvania | 271 | 102 | 17.83% | 2,914 | 0.09 |
| Arona | 83 | Pennsylvania | 246 | 253 | -0.81% | 471 | 0.52 |
| Youngstown | 84 | Pennsylvania | 246 | 253 | -0.81% | 2,216 | 0.11 |
| Webster | 85 | Pennsylvania | 146 | 78 | 13.18% | 248 | 0.59 |
| Laurel Mountain | 86 | Pennsylvania | 142 | 146 | -0.7% | 1,101 | 0.13 |
| Adamsburg | 87 | Pennsylvania | 141 | 145 | -0.7% | 504 | 0.28 |
| Edie | 88 | Pennsylvania | 124 | 50 | 18.09% | 219 | 0.56 |
| Donegal | 89 | Pennsylvania | 99 | 102 | -1% | 436 | 0.23 |
| Harrison City | 90 | Pennsylvania | 80 | 78 | 1.27% | 1,633 | 0.05 |
| Kiskimere | 91 | Pennsylvania | 57 | 219 | -41.24% | 186 | 0.31 |
| Seven Springs | 92 | Pennsylvania | 25 | 25 | 0% | 23 | 1.08 |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Monroeville is the largest city in Westmoreland County.
Seven Springs is the smallest city in Westmoreland County.
There are 92 cities in Westmoreland County, Pennsylvania.