There are 81 cities in Montgomery 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) |
|---|---|---|---|---|---|---|---|
| Philadelphia | 1 | Pennsylvania | 1,533,828 | 1,600,684 | -1.08% | 11,416 | 134.36 |
| Norristown | 2 | Pennsylvania | 35,764 | 35,783 | -0.01% | 10,175 | 3.52 |
| King Prussia | 3 | Pennsylvania | 25,587 | 22,028 | 2.33% | 3,012 | 8.49 |
| Pottstown | 4 | Pennsylvania | 23,323 | 23,425 | -0.11% | 4,807 | 4.85 |
| Phoenixville | 5 | Pennsylvania | 20,297 | 18,593 | 2.14% | 5,781 | 3.51 |
| Lansdale | 6 | Pennsylvania | 19,026 | 18,833 | 0.25% | 6,357 | 2.99 |
| Horsham | 7 | Pennsylvania | 15,502 | 15,864 | -0.58% | 2,834 | 5.47 |
| Ardmore | 8 | Pennsylvania | 14,583 | 13,567 | 1.77% | 7,418 | 1.97 |
| Willow Grove | 9 | Pennsylvania | 13,361 | 12,881 | -1.47% | 5,254 | 2.54 |
| Montgomeryville | 10 | Pennsylvania | 13,048 | 13,319 | 0.15% | 2,744 | 4.75 |
| Roslyn | 11 | Pennsylvania | 10,015 | 9,263 | 0.02% | 7,604 | 1.32 |
| Bala Cynwyd | 12 | Pennsylvania | 9,344 | 7,814 | 1.76% | 4,080 | 2.29 |
| Conshohocken | 13 | Pennsylvania | 9,255 | 9,257 | -0.01% | 9,218 | 1 |
| Harleysville | 14 | Pennsylvania | 9,009 | 8,975 | 0.1% | 2,157 | 4.18 |
| Kulpsville | 15 | Pennsylvania | 8,984 | 8,768 | 0.6% | 2,632 | 3.41 |
| Villanova | 16 | Pennsylvania | 8,968 | 7,194 | 5.21% | 4,295 | 2.09 |
| Sanatoga | 17 | Pennsylvania | 8,948 | 8,710 | 0.68% | 2,647 | 3.38 |
| Audubon | 18 | Pennsylvania | 8,903 | 9,379 | -1.32% | 1,940 | 4.59 |
| Hatboro | 19 | Pennsylvania | 8,264 | 8,234 | 0.08% | 5,812 | 1.42 |
| Glenside | 20 | Pennsylvania | 8,215 | 7,237 | 3.07% | 6,463 | 1.27 |
| Souderton | 21 | Pennsylvania | 7,305 | 7,189 | 0.4% | 6,517 | 1.12 |
| Wayne | 22 | Pennsylvania | 7,285 | 6,891 | 1.38% | 3,430 | 2.12 |
| Elkins Park | 23 | Pennsylvania | 7,119 | 6,827 | 1.04% | 4,089 | 1.74 |
| Ambler | 24 | Pennsylvania | 6,854 | 6,809 | 0.16% | 8,045 | 0.85 |
| Plymouth Meeting | 25 | Pennsylvania | 6,780 | 6,244 | 0.18% | 1,735 | 3.91 |
| Maple Glen | 26 | Pennsylvania | 6,583 | 6,691 | -0.41% | 2,111 | 3.12 |
| Fort Washington | 27 | Pennsylvania | 6,454 | 6,013 | 1.11% | 1,983 | 3.25 |
| Blue Bell | 28 | Pennsylvania | 6,442 | 6,245 | 0.11% | 1,195 | 5.39 |
| Oreland | 29 | Pennsylvania | 6,147 | 5,838 | 0.2% | 4,074 | 1.51 |
| Penn Wynne | 30 | Pennsylvania | 5,929 | 5,769 | -1.64% | 5,578 | 1.06 |
| Gilbertsville | 31 | Pennsylvania | 5,867 | 5,979 | -0.47% | 1,752 | 3.35 |
| Wyndmoor | 32 | Pennsylvania | 5,668 | 5,406 | -0.26% | 3,446 | 1.65 |
| Collegeville | 33 | Pennsylvania | 5,452 | 5,047 | 1.89% | 3,468 | 1.57 |
| Merion Station | 34 | Pennsylvania | 5,441 | 5,014 | 0.44% | 4,094 | 1.33 |
| Bridgeport | 35 | Pennsylvania | 5,406 | 5,020 | 1.81% | 8,203 | 0.66 |
| Bryn Mawr | 36 | Pennsylvania | 5,405 | 5,611 | -0.94% | 5,648 | 0.96 |
| Chesterbrook | 37 | Pennsylvania | 5,370 | 5,080 | -0.54% | 3,447 | 1.56 |
| Trooper | 38 | Pennsylvania | 5,123 | 5,626 | -0.6% | 2,242 | 2.29 |
| Spring House | 39 | Pennsylvania | 4,969 | 4,711 | 1.32% | 1,863 | 2.67 |
| Royersford | 40 | Pennsylvania | 4,912 | 4,926 | -0.08% | 6,241 | 0.79 |
| Telford | 41 | Pennsylvania | 4,886 | 4,926 | -0.2% | 4,852 | 1.01 |
| Eagleville | 42 | Pennsylvania | 4,885 | 5,439 | -2.75% | 2,852 | 1.71 |
| Jenkintown | 43 | Pennsylvania | 4,693 | 4,717 | -0.13% | 8,009 | 0.59 |
| Flourtown | 44 | Pennsylvania | 4,583 | 4,549 | -0.17% | 3,248 | 1.41 |
| Brittany Farms-The Highlands | 45 | Pennsylvania | 4,503 | 4,069 | 2.48% | 3,778 | 1.19 |
| Narberth | 46 | Pennsylvania | 4,487 | 4,491 | -0.02% | 8,920 | 0.50 |
| Chalfont | 47 | Pennsylvania | 4,440 | 4,263 | 1% | 2,744 | 1.62 |
| Boyertown | 48 | Pennsylvania | 4,255 | 4,262 | -0.05% | 5,505 | 0.77 |
| Rosemont | 49 | Pennsylvania | 4,129 | 3,593 | 3.35% | 5,029 | 0.82 |
| Pennsburg | 50 | Pennsylvania | 4,112 | 3,890 | 1.36% | 5,140 | 0.80 |
| Trappe | 51 | Pennsylvania | 4,012 | 3,998 | 0.07% | 1,947 | 2.06 |
| Skippack | 52 | Pennsylvania | 3,780 | 3,928 | -0.97% | 1,498 | 2.52 |
| St. Davids | 53 | Pennsylvania | 3,742 | 3,530 | 1.38% | 2,424 | 1.54 |
| Stowe | 54 | Pennsylvania | 3,628 | 3,697 | 0.11% | 2,646 | 1.37 |
| Wyncote | 55 | Pennsylvania | 3,507 | 3,333 | 1.27% | 4,272 | 0.82 |
| Hatfield | 56 | Pennsylvania | 3,484 | 3,490 | -0.06% | 5,418 | 0.64 |
| North Wales | 57 | Pennsylvania | 3,413 | 3,425 | -0.09% | 5,814 | 0.59 |
| Pottsgrove | 58 | Pennsylvania | 3,399 | 3,245 | -0.15% | 1,229 | 2.77 |
| Halfway House | 59 | Pennsylvania | 3,255 | 3,028 | -0.94% | 1,551 | 2.10 |
| East Greenville | 60 | Pennsylvania | 3,154 | 3,164 | -0.1% | 6,160 | 0.51 |
| New Britain | 61 | Pennsylvania | 2,804 | 2,834 | -0.28% | 2,323 | 1.21 |
| Spring Mount | 62 | Pennsylvania | 2,634 | 2,498 | 1.31% | 3,684 | 0.71 |
| Rockledge | 63 | Pennsylvania | 2,615 | 2,623 | -0.08% | 7,669 | 0.34 |
| McKinley | 64 | Pennsylvania | 2,492 | 2,300 | 0.93% | 2,822 | 0.88 |
| Red Hill | 65 | Pennsylvania | 2,481 | 2,493 | -0.12% | 3,720 | 0.67 |
| Mont Clare | 66 | Pennsylvania | 2,266 | 2,122 | 1.61% | 1,890 | 1.20 |
| Evansburg | 67 | Pennsylvania | 2,136 | 2,064 | 0.85% | 1,327 | 1.61 |
| Swedeland | 68 | Pennsylvania | 1,725 | 1,753 | -0.4% | 875 | 1.97 |
| Cheltenham Village | 69 | Pennsylvania | 1,686 | 2,012 | -4.58% | 7,629 | 0.22 |
| Haverford College | 70 | Pennsylvania | 1,683 | 1,243 | 6.99% | 5,536 | 0.30 |
| Hereford | 71 | Pennsylvania | 1,539 | 1,486 | -0.32% | 1,555 | 0.99 |
| West Conshohocken | 72 | Pennsylvania | 1,494 | 1,496 | -0.07% | 1,770 | 0.84 |
| New Berlinville | 73 | Pennsylvania | 1,467 | 1,961 | -5.66% | 973 | 1.51 |
| Woxall | 74 | Pennsylvania | 1,366 | 1,477 | -0.94% | 525 | 2.60 |
| Bryn Athyn | 75 | Pennsylvania | 1,310 | 1,277 | 0.61% | 678 | 1.93 |
| Schwenksville | 76 | Pennsylvania | 1,286 | 1,289 | -0.08% | 3,215 | 0.40 |
| Bally | 77 | Pennsylvania | 1,217 | 1,221 | -0.08% | 2,372 | 0.51 |
| Bechtelsville | 78 | Pennsylvania | 874 | 874 | 0% | 1,655 | 0.53 |
| Arcadia University | 79 | Pennsylvania | 749 | 595 | 5.49% | 7,343 | 0.10 |
| Kimberton | 80 | Pennsylvania | 542 | 298 | 9.5% | 1,134 | 0.48 |
| Green Lane | 81 | Pennsylvania | 489 | 485 | 0.21% | 1,533 | 0.32 |
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.
Philadelphia is the largest city in Montgomery County.
Green Lane is the smallest city in Montgomery County.
There are 81 cities in Montgomery County, Pennsylvania.