There are 41 cities in Armstrong 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) |
|---|---|---|---|---|---|---|---|
| Vandergrift | 1 | Pennsylvania | 4,924 | 5,060 | -0.69% | 3,618 | 1.36 |
| Kittanning | 2 | Pennsylvania | 3,876 | 3,918 | -0.28% | 3,892 | 1 |
| Ford City | 3 | Pennsylvania | 2,756 | 2,854 | -0.9% | 4,273 | 0.65 |
| Leechburg | 4 | Pennsylvania | 2,072 | 2,146 | -0.91% | 4,720 | 0.44 |
| Freeport | 5 | Pennsylvania | 1,677 | 1,739 | -0.95% | 1,320 | 1.27 |
| Apollo | 6 | Pennsylvania | 1,554 | 1,608 | -0.89% | 5,095 | 0.30 |
| West Hills | 7 | Pennsylvania | 1,518 | 1,330 | 3.19% | 466 | 3.26 |
| Orchard Hills | 8 | Pennsylvania | 1,450 | 2,390 | -13.95% | 367 | 3.95 |
| Lenape Heights | 9 | Pennsylvania | 1,440 | 1,202 | 4.35% | 1,885 | 0.76 |
| West Leechburg | 10 | Pennsylvania | 1,235 | 1,267 | -0.64% | 1,254 | 0.98 |
| North Apollo | 11 | Pennsylvania | 1,213 | 1,252 | -0.82% | 2,234 | 0.54 |
| West Kittanning | 12 | Pennsylvania | 1,148 | 1,190 | -0.95% | 2,676 | 0.43 |
| New Bethlehem | 13 | Pennsylvania | 945 | 975 | -0.84% | 2,028 | 0.47 |
| Chicora | 14 | Pennsylvania | 884 | 918 | -1.01% | 1,659 | 0.53 |
| Avonmore | 15 | Pennsylvania | 879 | 902 | -0.68% | 598 | 1.47 |
| Rural Valley | 16 | Pennsylvania | 802 | 829 | -0.86% | 380 | 2.11 |
| East Brady | 17 | Pennsylvania | 798 | 818 | -0.62% | 986 | 0.81 |
| Oklahoma | 18 | Pennsylvania | 768 | 788 | -0.65% | 1,265 | 0.61 |
| Parker | 19 | Pennsylvania | 676 | 698 | -0.88% | 707 | 0.96 |
| Pleasant View | 20 | Pennsylvania | 669 | 634 | -4.57% | 1,161 | 0.58 |
| Worthington | 21 | Pennsylvania | 571 | 593 | -1.04% | 830 | 0.69 |
| Dayton | 22 | Pennsylvania | 534 | 552 | -0.93% | 1,420 | 0.38 |
| Jacksonville | 23 | Pennsylvania | 512 | 482 | 1.59% | 104 | 4.93 |
| Hyde Park | 24 | Pennsylvania | 494 | 506 | -0.6% | 2,058 | 0.24 |
| South Bethlehem | 25 | Pennsylvania | 471 | 486 | -0.84% | 3,099 | 0.15 |
| Bruin | 26 | Pennsylvania | 403 | 422 | -1.23% | 221 | 1.82 |
| North Vandergrift | 27 | Pennsylvania | 387 | 247 | 6.32% | 985 | 0.39 |
| Manorville | 28 | Pennsylvania | 367 | 377 | -0.81% | 3,634 | 0.10 |
| Ford Cliff | 29 | Pennsylvania | 348 | 360 | -0.85% | 4,579 | 0.08 |
| Applewold | 30 | Pennsylvania | 327 | 338 | -0.91% | 6,957 | 0.05 |
| Elderton | 31 | Pennsylvania | 319 | 333 | -1.24% | 988 | 0.32 |
| Eau Claire | 32 | Pennsylvania | 296 | 308 | -1% | 232 | 1.27 |
| Creekside | 33 | Pennsylvania | 281 | 284 | -0.36% | 1,271 | 0.22 |
| Templeton | 34 | Pennsylvania | 249 | 335 | -7.78% | 538 | 0.46 |
| Karns City | 35 | Pennsylvania | 165 | 172 | -1.2% | 455 | 0.36 |
| Callensburg | 36 | Pennsylvania | 143 | 147 | -0.69% | 986 | 0.14 |
| Timblin | 37 | Pennsylvania | 140 | 144 | -0.71% | 155 | 0.90 |
| Atwood | 38 | Pennsylvania | 106 | 110 | -0.94% | 51 | 2.09 |
| Shelocta | 39 | Pennsylvania | 100 | 102 | -0.99% | 962 | 0.10 |
| Kiskimere | 40 | Pennsylvania | 57 | 219 | -41.24% | 186 | 0.31 |
| Cherry Valley | 41 | Pennsylvania | 56 | 59 | -1.75% | 20 | 2.82 |
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.
Vandergrift is the largest city in Armstrong County.
Cherry Valley is the smallest city in Armstrong County.
There are 41 cities in Armstrong County, Pennsylvania.