82 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| White township | 1 | 15,207 | 15,328 | -0.07% | 359 | 42.35 | Township |
| North Union township | 2 | 11,150 | 11,814 | -1.16% | 287 | 38.79 | Township |
| South Union township | 3 | 10,179 | 10,872 | -1.32% | 608 | 16.75 | Township |
| Uniontown | 4 | 9,319 | 9,964 | -1.37% | 4,546 | 2.05 | City |
| Smithfield township | 5 | 7,737 | 7,972 | -0.95% | 337 | 22.93 | Township |
| Connellsville | 6 | 6,487 | 7,019 | -1.61% | 2,973 | 2.18 | City |
| Bullskin township | 7 | 6,331 | 6,731 | -1.25% | 144 | 44.01 | Township |
| Dunbar township | 8 | 6,259 | 6,652 | -1.23% | 106 | 59.17 | Township |
| Georges township | 9 | 5,969 | 6,346 | -1.22% | 125 | 47.60 | Township |
| Smithfield township | 10 | 4,950 | 4,619 | 6.54% | 900 | 5.50 | Township |
| Redstone township | 11 | 4,782 | 5,067 | -1.18% | 209 | 22.83 | Township |
| German township | 12 | 4,373 | 4,659 | -1.26% | 131 | 33.48 | Township |
| Menallen township | 13 | 3,942 | 4,087 | -0.93% | 185 | 21.32 | Township |
| Wharton township | 14 | 3,397 | 3,352 | 1.07% | 37 | 91.75 | Township |
| Masontown | 15 | 3,084 | 3,271 | -1.19% | 2,063 | 1.50 | Borough |
| Saltlick township | 16 | 2,874 | 3,038 | -1.1% | 77 | 37.52 | Township |
| Springhill township | 17 | 2,582 | 2,725 | -1.07% | 76 | 33.77 | Township |
| Leith-Hatfield | 18 | 2,257 | 2,119 | -0.83% | 1,221 | 1.85 | CDP |
| Oliver | 19 | 2,220 | 2,579 | -0.94% | 1,000 | 2.22 | CDP |
| Perry township | 20 | 2,200 | 2,336 | -1.21% | 108 | 20.33 | Township |
| East Uniontown | 21 | 2,199 | 2,231 | -0.68% | 1,103 | 1.99 | CDP |
| Oliver township | 22 | 2,052 | 2,044 | -0.05% | 249 | 8.23 | Township |
| Brownsville | 23 | 2,050 | 2,179 | -1.25% | 2,098 | 0.98 | Borough |
| Oliver township | 24 | 2,033 | 2,059 | -0.15% | 58 | 34.99 | Township |
| Connellsville township | 25 | 1,952 | 2,071 | -1.21% | 172 | 11.33 | Township |
| Lynnwood-Pricedale | 26 | 1,890 | 1,830 | -0.47% | 1,529 | 1.24 | CDP |
| North Belle Vernon | 27 | 1,806 | 1,871 | -0.71% | 4,300 | 0.42 | Borough |
| South Connellsville | 28 | 1,806 | 1,916 | -1.2% | 1,074 | 1.68 | Borough |
| Fairchance | 29 | 1,773 | 1,878 | -1.17% | 1,494 | 1.19 | Borough |
| Farmington township | 30 | 1,707 | 1,776 | -0.93% | 27 | 62.29 | Township |
| Henry Clay township | 31 | 1,660 | 1,762 | -0.95% | 32 | 51.18 | Township |
| Upper Tyrone township | 32 | 1,660 | 1,763 | -1.19% | 213 | 7.81 | Township |
| Perryopolis | 33 | 1,572 | 1,701 | -1.63% | 1,073 | 1.47 | Borough |
| Hopwood | 34 | 1,491 | 1,973 | -2.61% | 791 | 1.89 | CDP |
| Smithfield township | 35 | 1,482 | 1,456 | 0.61% | 35 | 41.89 | Township |
| Republic | 36 | 1,381 | 1,194 | 1.4% | 1,900 | 0.73 | CDP |
| Hiller | 37 | 1,331 | 1,203 | 0.83% | 771 | 1.73 | CDP |
| White township | 38 | 1,277 | 1,314 | -0.31% | 1,843 | 0.69 | Township |
| Farmington township | 39 | 1,248 | 1,281 | -0.4% | 36 | 34.23 | Township |
| South Uniontown | 40 | 1,180 | 1,231 | -1.01% | 2,593 | 0.46 | CDP |
| Fellsburg | 41 | 1,129 | 1,206 | -0.27% | 912 | 1.24 | CDP |
| Lemont Furnace | 42 | 1,086 | 897 | 1.69% | 1,056 | 1.03 | CDP |
| Point Marion | 43 | 1,085 | 1,150 | -1.18% | 2,679 | 0.41 | Borough |
| Speers | 44 | 1,060 | 1,084 | -0.47% | 1,115 | 0.95 | Borough |
| Bear Rocks | 45 | 1,059 | 1,174 | 0.09% | 327 | 3.24 | CDP |
| Collinsburg | 46 | 1,050 | 964 | -0.47% | 591 | 1.78 | CDP |
| Farmington | 47 | 1,022 | 983 | 1.69% | 402 | 2.54 | CDP |
| Lower Tyrone township | 48 | 1,011 | 1,067 | -1.08% | 64 | 15.87 | Township |
| Oliver township | 49 | 982 | 1,006 | -0.3% | 33 | 30.02 | Township |
| Belle Vernon | 50 | 967 | 1,027 | -1.23% | 3,705 | 0.26 | Borough |
| West Brownsville | 51 | 967 | 976 | -0.21% | 744 | 1.30 | Borough |
| Dunbar | 52 | 952 | 1,012 | -1.24% | 1,647 | 0.58 | Borough |
| White township | 53 | 894 | 915 | -0.45% | 44 | 20.31 | Township |
| New Salem | 54 | 824 | 818 | 0.12% | 1,742 | 0.47 | Borough |
| Smithfield | 55 | 785 | 835 | -1.26% | 1,096 | 0.72 | Borough |
| Everson | 56 | 722 | 767 | -1.23% | 3,343 | 0.22 | Borough |
| New Salem | 57 | 701 | 607 | 1.15% | 604 | 1.16 | CDP |
| Farmington township | 58 | 661 | 663 | -0.15% | 21 | 31.65 | Township |
| Grindstone | 59 | 649 | 818 | 1.56% | 494 | 1.31 | CDP |
| Stewart township | 60 | 597 | 620 | -0.67% | 12 | 50.35 | Township |
| Smock | 61 | 529 | 579 | -0.75% | 339 | 1.56 | CDP |
| Brownsville township | 62 | 503 | 534 | -1.18% | 334 | 1.51 | Township |
| Newell | 63 | 480 | 512 | -1.23% | 816 | 0.59 | Borough |
| Fayette City | 64 | 473 | 502 | -1.25% | 2,131 | 0.22 | Borough |
| Rowes Run | 65 | 399 | 587 | -2.68% | 323 | 1.23 | CDP |
| Vanderbilt | 66 | 387 | 412 | -1.28% | 2,092 | 0.18 | Borough |
| Arnold City | 67 | 384 | 337 | -2.04% | 800 | 0.48 | CDP |
| Deer Lake | 68 | 346 | 399 | -2.81% | 228 | 1.51 | CDP |
| Dawson | 69 | 331 | 351 | -1.19% | 1,913 | 0.17 | Borough |
| Allison | 70 | 274 | 410 | -7.74% | 407 | 0.67 | CDP |
| Star Junction | 71 | 235 | 241 | -9.62% | 200 | 1.17 | CDP |
| Markleysburg | 72 | 231 | 241 | -0.86% | 778 | 0.30 | Borough |
| Allison township | 73 | 225 | 228 | -0.44% | 148 | 1.52 | Township |
| Mill Run | 74 | 134 | 202 | 7.2% | 444 | 0.30 | CDP |
| New Centerville | 75 | 121 | 126 | -0.82% | 852 | 0.14 | Borough |
| Casselman | 76 | 120 | 104 | 2.56% | 597 | 0.20 | Borough |
| Naomi | 77 | 108 | 52 | 8% | 655 | 0.17 | CDP |
| Buffington | 78 | 76 | 89 | -15.56% | 469 | 0.16 | CDP |
| Edenborn | 79 | 74 | 143 | -16.85% | 191 | 0.39 | CDP |
| Chalkhill | 80 | 54 | 69 | -8.47% | 66 | 0.82 | CDP |
| Ohiopyle | 81 | 35 | 39 | -2.78% | 84 | 0.42 | Borough |
| Seven Springs | 82 | 25 | 25 | 0% | 23 | 1.08 | Borough |
White township is the largest city in Fayette County, with a population of 15,207.
Seven Springs is the smallest city in Fayette County.
There are 82 cities in Fayette County, Pennsylvania.