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 |
|---|---|---|---|---|---|---|---|
| Penn Forest township | 1 | 10,300 | 9,938 | 0.64% | 140 | 73.8 | Township |
| Palmerton | 2 | 5,623 | 5,595 | 0.13% | 2,263 | 2.5 | Borough |
| Lehighton | 3 | 5,259 | 5,247 | 0.06% | 3,240 | 1.6 | Borough |
| Towamensing township | 4 | 4,558 | 4,435 | 0.48% | 168 | 27.1 | Township |
| Jim Thorpe | 5 | 4,537 | 4,503 | 0.18% | 311 | 14.6 | Borough |
| Mahoning township | 6 | 4,304 | 4,257 | -0.07% | 182 | 23.7 | Township |
| Lansford | 7 | 4,147 | 4,139 | 0.05% | 2,700 | 1.5 | Borough |
| Nesquehoning | 8 | 3,346 | 3,338 | 0.06% | 158 | 21.2 | Borough |
| Summit Hill | 9 | 3,138 | 3,120 | 0.13% | 361 | 8.7 | Borough |
| Lower Towamensing township | 10 | 3,079 | 3,043 | -0.07% | 145 | 21.3 | Township |
| East Penn township | 11 | 2,765 | 2,748 | -0.36% | 122 | 22.7 | Township |
| Weatherly | 12 | 2,552 | 2,546 | 0.04% | 857 | 3.0 | Borough |
| Kidder township | 13 | 1,849 | 1,791 | 0.65% | 27 | 68.9 | Township |
| Banks township | 14 | 1,160 | 1,163 | -0.34% | 100 | 11.6 | Township |
| Packer township | 15 | 1,026 | 1,026 | -0.19% | 37 | 27.9 | Township |
| Bowmanstown | 16 | 897 | 889 | 0.22% | 1,166 | 0.8 | Borough |
| Beaver Meadows | 17 | 896 | 896 | 0% | 3,473 | 0.3 | Borough |
| Parryville | 18 | 415 | 414 | 0% | 258 | 1.6 | Borough |
| Weissport | 19 | 412 | 411 | 0% | 3,052 | 0.1 | Borough |
| Penn Lake Park | 20 | 375 | 358 | 1.08% | 237 | 1.6 | Borough |
| East Side | 21 | 250 | 249 | 0% | 217 | 1.2 | Borough |
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.
Penn Forest township is the largest city in Carbon County.
East Side is the smallest city in Carbon County.
There are 21 cities in Carbon County, Pennsylvania.