There are 38 cities in Cumberland 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 | 2024 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hampden township | 1 | 35,938 | 33,032 | 2.91% | 2,082 | 17.3 | Township |
| Upper Allen township | 2 | 24,342 | 23,261 | 1.34% | 1,838 | 13.2 | Township |
| Carlisle | 3 | 23,072 | 20,146 | 3.27% | 4,170 | 5.5 | Borough |
| Silver Spring township | 4 | 21,354 | 19,659 | 1.27% | 661 | 32.3 | Township |
| East Pennsboro township | 5 | 21,200 | 20,915 | 0.1% | 2,011 | 10.5 | Township |
| Lower Allen township | 6 | 19,753 | 20,135 | -3.08% | 1,963 | 10.1 | Township |
| South Middleton township | 7 | 16,904 | 16,168 | 0.61% | 347 | 48.8 | Township |
| North Middleton township | 8 | 12,801 | 12,095 | 1.73% | 552 | 23.2 | Township |
| Mechanicsburg | 9 | 10,103 | 9,335 | 1.94% | 4,190 | 2.4 | Borough |
| Southampton township | 10 | 8,447 | 7,496 | 3.08% | 164 | 51.4 | Township |
| Camp Hill | 11 | 8,178 | 8,118 | 0.18% | 3,848 | 2.1 | Borough |
| New Cumberland | 12 | 7,560 | 7,507 | 0.17% | 4,513 | 1.7 | Borough |
| Middlesex township | 13 | 7,202 | 7,052 | 0.24% | 280 | 25.7 | Township |
| Monroe township | 14 | 6,719 | 6,262 | 1.34% | 258 | 26.1 | Township |
| West Pennsboro township | 15 | 5,637 | 5,593 | -0.18% | 186 | 30.2 | Township |
| Shippensburg | 16 | 5,630 | 5,484 | 0.64% | 2,776 | 2.0 | Borough |
| Dickinson township | 17 | 5,420 | 5,304 | 0.24% | 118 | 45.8 | Township |
| Lemoyne | 18 | 4,821 | 4,675 | 0.75% | 2,991 | 1.6 | Borough |
| Shippensburg township | 19 | 4,309 | 4,288 | -0.07% | 1,737 | 2.5 | Township |
| Wormleysburg | 20 | 3,072 | 3,052 | 0.16% | 3,954 | 0.8 | Borough |
| Penn township | 21 | 2,897 | 2,880 | -0.21% | 98 | 29.6 | Township |
| Marysville | 22 | 2,679 | 2,654 | 0.22% | 1,147 | 2.3 | Borough |
| Dillsburg | 23 | 2,632 | 2,638 | -0.08% | 3,261 | 0.8 | Borough |
| North Newton township | 24 | 2,576 | 2,557 | -0.31% | 113 | 22.8 | Township |
| Hopewell township | 25 | 2,524 | 2,499 | -0.32% | 91 | 27.7 | Township |
| Upper Frankford township | 26 | 2,253 | 2,135 | 1.35% | 116 | 19.4 | Township |
| Mount Holly Springs | 27 | 2,015 | 1,997 | 0.2% | 1,483 | 1.4 | Borough |
| Lower Frankford township | 28 | 1,796 | 1,754 | -0.17% | 122 | 14.7 | Township |
| Lower Mifflin township | 29 | 1,771 | 1,756 | -0.17% | 75 | 23.8 | Township |
| Shiremanstown | 30 | 1,651 | 1,641 | 0.12% | 5,395 | 0.3 | Borough |
| Newville | 31 | 1,388 | 1,374 | 0.22% | 3,313 | 0.4 | Borough |
| South Newton township | 32 | 1,378 | 1,371 | -0.14% | 122 | 11.3 | Township |
| Upper Mifflin township | 33 | 1,362 | 1,317 | 0.59% | 63 | 21.7 | Township |
| Biglerville | 34 | 1,251 | 1,227 | 0.48% | 1,922 | 0.7 | Borough |
| Arendtsville | 35 | 885 | 867 | 0.45% | 1,105 | 0.8 | Borough |
| Franklintown | 36 | 554 | 508 | 2.03% | 2,173 | 0.3 | Borough |
| Newburg | 37 | 366 | 364 | 0% | 1,978 | 0.2 | Borough |
| Cooke township | 38 | 202 | 202 | -0.49% | 10 | 19.8 | Township |
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.
Hampden township is the largest city in Cumberland County.
Cooke township is the smallest city in Cumberland County.
There are 38 cities in Cumberland County, Pennsylvania.