There are 45 cities in Dauphin 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) |
|---|---|---|---|---|---|---|---|
| Harrisburg | 1 | Pennsylvania | 50,274 | 50,092 | 0.09% | 6,192 | 8.12 |
| Colonial Park | 2 | Pennsylvania | 18,325 | 15,457 | 4.07% | 3,634 | 5.04 |
| Hershey | 3 | Pennsylvania | 14,808 | 14,941 | 0.43% | 1,036 | 14.30 |
| Elizabethtown | 4 | Pennsylvania | 12,215 | 11,671 | 1.13% | 4,606 | 2.65 |
| Progress | 5 | Pennsylvania | 11,520 | 10,997 | 0.68% | 3,821 | 3.02 |
| Middletown | 6 | Pennsylvania | 9,645 | 9,541 | 0.27% | 4,751 | 2.03 |
| Palmyra | 7 | Pennsylvania | 7,639 | 7,821 | -0.59% | 3,972 | 1.92 |
| Linglestown | 8 | Pennsylvania | 7,598 | 5,811 | 5.64% | 1,985 | 3.83 |
| Rutherford | 9 | Pennsylvania | 6,699 | 5,568 | 0.97% | 5,402 | 1.24 |
| Steelton | 10 | Pennsylvania | 6,225 | 6,267 | -0.16% | 3,285 | 1.90 |
| Paxtonia | 11 | Pennsylvania | 5,885 | 5,075 | 3.57% | 2,543 | 2.31 |
| Campbelltown | 12 | Pennsylvania | 5,778 | 5,632 | 0.64% | 1,796 | 3.22 |
| Lawnton | 13 | Pennsylvania | 5,457 | 4,871 | 2.77% | 3,743 | 1.46 |
| Skyline View | 14 | Pennsylvania | 5,331 | 4,365 | 4.75% | 1,994 | 2.67 |
| Hummelstown | 15 | Pennsylvania | 4,517 | 4,541 | -0.13% | 3,637 | 1.24 |
| Penbrook | 16 | Pennsylvania | 3,250 | 3,272 | -0.15% | 7,271 | 0.45 |
| Bressler | 17 | Pennsylvania | 2,728 | 1,452 | 10.27% | 8,606 | 0.32 |
| Highspire | 18 | Pennsylvania | 2,719 | 2,737 | -0.15% | 3,782 | 0.72 |
| Millersburg | 19 | Pennsylvania | 2,529 | 2,543 | -0.12% | 3,332 | 0.76 |
| Rheems | 20 | Pennsylvania | 2,053 | 2,836 | -6.98% | 1,439 | 1.43 |
| Lykens | 21 | Pennsylvania | 1,862 | 1,870 | -0.11% | 1,526 | 1.22 |
| Paxtang | 22 | Pennsylvania | 1,631 | 1,643 | -0.18% | 4,017 | 0.41 |
| Duncannon | 23 | Pennsylvania | 1,459 | 1,471 | -0.21% | 3,585 | 0.41 |
| Enhaut | 24 | Pennsylvania | 1,444 | 1,060 | 7.12% | 6,251 | 0.23 |
| Tower City | 25 | Pennsylvania | 1,431 | 1,423 | 0.14% | 4,543 | 0.32 |
| Elizabethville | 26 | Pennsylvania | 1,346 | 1,352 | -0.07% | 2,461 | 0.55 |
| Williamstown | 27 | Pennsylvania | 1,294 | 1,304 | -0.15% | 4,996 | 0.26 |
| Palmdale | 28 | Pennsylvania | 1,245 | 1,359 | -2.2% | 838 | 1.49 |
| Royalton | 29 | Pennsylvania | 1,124 | 1,134 | -0.18% | 3,535 | 0.32 |
| Dauphin | 30 | Pennsylvania | 792 | 796 | -0.13% | 1,850 | 0.43 |
| Halifax | 31 | Pennsylvania | 790 | 798 | -0.25% | 2,351 | 0.34 |
| Wiconsico | 32 | Pennsylvania | 756 | 598 | -1.82% | 694 | 1.09 |
| Gratz | 33 | Pennsylvania | 737 | 745 | -0.27% | 250 | 2.95 |
| Lenkerville | 34 | Pennsylvania | 698 | 996 | -7.55% | 2,084 | 0.34 |
| Muir | 35 | Pennsylvania | 634 | 448 | 8.01% | 1,276 | 0.50 |
| Falmouth | 36 | Pennsylvania | 556 | 569 | 3.54% | 564 | 0.99 |
| Union Deposit | 37 | Pennsylvania | 451 | 429 | 1.35% | 1,588 | 0.28 |
| Dalmatia | 38 | Pennsylvania | 375 | 404 | 0.27% | 550 | 0.68 |
| Reinerton | 39 | Pennsylvania | 324 | 446 | -4.98% | 698 | 0.46 |
| Berrysburg | 40 | Pennsylvania | 323 | 325 | 0% | 533 | 0.61 |
| Oberlin | 41 | Pennsylvania | 300 | 374 | -5.66% | 2,308 | 0.13 |
| Orwin | 42 | Pennsylvania | 297 | 196 | 7.61% | 483 | 0.61 |
| Pillow | 43 | Pennsylvania | 290 | 292 | 0% | 588 | 0.49 |
| New Buffalo | 44 | Pennsylvania | 128 | 124 | 0.79% | 2,169 | 0.06 |
| Fort Indiantown Gap | 45 | Pennsylvania | 0 | 64 | 0% | 0 | 19.23 |
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.
Harrisburg is the largest city in Dauphin County.
Fort Indiantown Gap is the smallest city in Dauphin County.
There are 45 cities in Dauphin County, Pennsylvania.