53 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bloomsburg | 1 | 13,432 | 12,702 | 1.1% | 3,089 | 4 | Town |
| Berwick | 2 | 10,331 | 10,333 | -0.01% | 3,361 | 3 | Borough |
| Scott | 3 | 5,659 | 5,507 | 0.09% | 813 | 7 | Township |
| Briar Creek | 4 | 3,028 | 2,987 | 0.23% | 145 | 21 | Township |
| East Berwick | 5 | 2,498 | 2,379 | 1.3% | 2,748 | 1 | CDP |
| Berwick | 6 | 2,486 | 2,399 | 0.73% | 323 | 8 | Township |
| Hemlock | 7 | 2,342 | 2,213 | 2.05% | 133 | 18 | Township |
| North Centre | 8 | 2,114 | 2,036 | 0.38% | 141 | 15 | Township |
| South Centre | 9 | 1,931 | 1,903 | 0.31% | 355 | 5 | Township |
| Greenwood | 10 | 1,916 | 1,882 | 0.63% | 68 | 28 | Township |
| Benton | 11 | 1,756 | 1,718 | 0.8% | 73 | 24 | Township |
| Fishing Creek | 12 | 1,584 | 1,522 | 0.96% | 56 | 28 | Township |
| Espy | 13 | 1,549 | 1,432 | -0.45% | 1,723 | 1 | CDP |
| Catawissa | 14 | 1,536 | 1,538 | -0.07% | 2,994 | 1 | Borough |
| Locust | 15 | 1,476 | 1,453 | 0.41% | 83 | 18 | Township |
| Benton | 16 | 1,369 | 1,316 | 0.81% | 70 | 20 | Township |
| Lightstreet | 17 | 1,349 | 1,109 | 1.28% | 1,382 | 1 | CDP |
| Main | 18 | 1,288 | 1,267 | 0.31% | 80 | 16 | Township |
| Montour | 19 | 1,265 | 1,256 | 0.16% | 138 | 9 | Township |
| Almedia | 20 | 1,262 | 1,108 | 0.96% | 1,800 | 1 | CDP |
| Mifflinville | 21 | 1,192 | 922 | -0.33% | 744 | 2 | CDP |
| Orange | 22 | 1,179 | 1,161 | 0.17% | 92 | 13 | Township |
| Cleveland | 23 | 1,157 | 1,129 | 0.7% | 50 | 23 | Township |
| Pine | 24 | 1,033 | 1,012 | 0.98% | 39 | 26 | Township |
| Millville | 25 | 985 | 974 | 0.2% | 1,004 | 1 | Borough |
| Catawissa | 26 | 912 | 902 | 0.11% | 74 | 12 | Township |
| Lime Ridge | 27 | 844 | 917 | -0.35% | 750 | 1 | CDP |
| Benton | 28 | 824 | 821 | 0% | 1,380 | 1 | Borough |
| Mocanaqua | 29 | 603 | 640 | -0.5% | 1,216 | 0 | CDP |
| Briar Creek | 30 | 602 | 597 | 0.17% | 365 | 2 | Borough |
| Roaring Creek | 31 | 561 | 554 | 0.18% | 24 | 23 | Township |
| Buckhorn | 32 | 544 | 523 | 2.84% | 791 | 1 | CDP |
| Orangeville | 33 | 476 | 476 | 0% | 1,070 | 0 | Borough |
| Wilburton Number One | 34 | 425 | 266 | 3.66% | 1,995 | 0 | CDP |
| Fernville | 35 | 358 | 364 | -3.76% | 443 | 1 | CDP |
| Numidia | 36 | 342 | 271 | 2.09% | 324 | 1 | CDP |
| Jamison City | 37 | 333 | 191 | 4.06% | 837 | 0 | CDP |
| Fountain Springs | 38 | 257 | 251 | -0.39% | 457 | 1 | CDP |
| Rupert | 39 | 229 | 202 | 1.33% | 253 | 1 | CDP |
| New Columbus | 40 | 225 | 219 | 0.45% | 73 | 3 | Borough |
| Stillwater | 41 | 199 | 199 | 0% | 64 | 3 | Borough |
| Iola | 42 | 184 | 185 | 1.66% | 676 | 0 | CDP |
| Rohrsburg | 43 | 175 | 142 | 1.16% | 237 | 1 | CDP |
| Aristes | 44 | 171 | 262 | -5% | 328 | 1 | CDP |
| Jerseytown | 45 | 165 | 158 | -0.6% | 228 | 1 | CDP |
| Mainville | 46 | 152 | 125 | 0.66% | 218 | 1 | CDP |
| Slabtown | 47 | 121 | 159 | -1.63% | 254 | 0 | CDP |
| Waller | 48 | 86 | 31 | 7.5% | 67 | 1 | CDP |
| Beurys Lake | 49 | 75 | 56 | -3.85% | 192 | 0 | CDP |
| Wilburton Number Two | 50 | 71 | 76 | 7.58% | 772 | 0 | CDP |
| Eyers Grove | 51 | 61 | 51 | -4.69% | 281 | 0 | CDP |
| Foundryville | 52 | 56 | 58 | -18.84% | 104 | 1 | CDP |
| Centralia | 53 | 4 | 4 | 0% | 17 | 0 | Borough |
Bloomsburg is the largest city in Columbia County, with a population of 13,432.
Centralia is the smallest city in Columbia County, with a population of 4.
There are 53 cities in Columbia County, Pennsylvania.