66 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lancaster | 1 | 58,690 | 57,943 | 0.21% | 8,121 | 7 | City |
| Manheim | 2 | 44,545 | 43,979 | 0.11% | 1,867 | 24 | Township |
| East Hempfield | 3 | 27,727 | 26,306 | 0.87% | 1,316 | 21 | Township |
| Silver Spring | 4 | 22,131 | 19,635 | 1.53% | 685 | 32 | Township |
| East Lampeter | 5 | 20,996 | 17,757 | 5.44% | 1,068 | 20 | Township |
| Warwick | 6 | 19,582 | 19,083 | 0.43% | 991 | 20 | Township |
| Lancaster | 7 | 18,607 | 18,611 | -0.21% | 3,176 | 6 | Township |
| West Lampeter | 8 | 17,271 | 17,365 | -0.21% | 1,053 | 16 | Township |
| West Hempfield | 9 | 17,207 | 17,047 | 0% | 932 | 18 | Township |
| Ephrata | 10 | 13,663 | 13,830 | -0.2% | 3,997 | 3 | Borough |
| Rapho | 11 | 12,282 | 12,017 | 0.11% | 259 | 47 | Township |
| Elizabethtown | 12 | 12,158 | 11,663 | 0.69% | 4,584 | 3 | Borough |
| East Cocalico | 13 | 11,291 | 10,794 | 0.87% | 553 | 20 | Township |
| Mount Joy | 14 | 10,812 | 10,712 | -0.11% | 388 | 28 | Township |
| Ephrata | 15 | 10,675 | 10,371 | -0.08% | 657 | 16 | Township |
| Columbia | 16 | 10,494 | 10,209 | 0.46% | 4,347 | 2 | Borough |
| Millersville | 17 | 9,993 | 7,884 | 3.65% | 5,170 | 2 | Borough |
| Lititz | 18 | 9,862 | 9,474 | 0.66% | 4,247 | 2 | Borough |
| West Donegal | 19 | 9,186 | 8,963 | 0.19% | 582 | 16 | Township |
| Upper Leacock | 20 | 8,949 | 8,912 | -0.02% | 494 | 18 | Township |
| East Donegal | 21 | 8,801 | 8,655 | 0.33% | 411 | 21 | Township |
| Mount Joy | 22 | 8,388 | 8,315 | 0.14% | 3,479 | 2 | Borough |
| West Earl | 23 | 8,384 | 8,493 | -0.21% | 472 | 18 | Township |
| Brecknock | 24 | 7,835 | 7,560 | 0.56% | 317 | 25 | Township |
| West Cocalico | 25 | 7,568 | 7,459 | -0.21% | 277 | 27 | Township |
| Providence | 26 | 7,567 | 6,990 | 1.76% | 381 | 20 | Township |
| Earl | 27 | 7,187 | 7,132 | 0.06% | 327 | 22 | Township |
| Clay | 28 | 7,128 | 6,862 | 0.65% | 324 | 22 | Township |
| East Earl | 29 | 6,791 | 6,706 | -0.09% | 277 | 25 | Township |
| Pequea | 30 | 6,414 | 5,507 | 0.71% | 478 | 13 | Township |
| Paradise | 31 | 5,970 | 5,662 | 1.58% | 321 | 19 | Township |
| New Holland | 32 | 5,804 | 5,791 | 0.03% | 2,987 | 2 | Borough |
| Leacock | 33 | 5,682 | 5,652 | -0.04% | 276 | 21 | Township |
| Peach Bottom | 34 | 5,194 | 4,969 | 1.03% | 178 | 29 | Township |
| Martic | 35 | 5,149 | 5,211 | -0.21% | 177 | 29 | Township |
| Manheim | 36 | 4,993 | 5,047 | -0.18% | 3,613 | 1 | Borough |
| Strasburg | 37 | 4,772 | 4,459 | 1.34% | 239 | 20 | Township |
| East Petersburg | 38 | 4,653 | 4,569 | 0.3% | 3,852 | 1 | Borough |
| Caernarvon | 39 | 4,633 | 4,592 | 0.26% | 202 | 23 | Township |
| Little Britain | 40 | 4,180 | 4,118 | 0.14% | 153 | 27 | Township |
| Paradise | 41 | 4,172 | 3,975 | 1.16% | 206 | 20 | Township |
| Akron | 42 | 4,109 | 4,150 | -0.17% | 3,349 | 1 | Borough |
| Colerain | 43 | 4,049 | 3,886 | 0.75% | 143 | 28 | Township |
| Conestoga | 44 | 3,968 | 3,906 | 0.48% | 271 | 15 | Township |
| Mount Joy | 45 | 3,942 | 3,784 | 0.74% | 152 | 26 | Township |
| Lancaster | 46 | 3,929 | 2,768 | 4.55% | 171 | 23 | Township |
| East Drumore | 47 | 3,928 | 3,927 | -0.13% | 170 | 23 | Township |
| Denver | 48 | 3,746 | 3,788 | -0.19% | 2,929 | 1 | Borough |
| Manheim | 49 | 3,620 | 3,462 | 0.98% | 168 | 22 | Township |
| Sadsbury | 50 | 3,493 | 3,537 | -0.31% | 179 | 20 | Township |
| Bart | 51 | 3,294 | 3,180 | 0.43% | 201 | 16 | Township |
| Conoy | 52 | 3,266 | 3,316 | -0.37% | 224 | 15 | Township |
| Fulton | 53 | 3,214 | 3,204 | -0.03% | 125 | 26 | Township |
| Marietta | 54 | 3,118 | 2,619 | 2.73% | 4,174 | 1 | Borough |
| Strasburg | 55 | 3,091 | 3,114 | -0.13% | 3,230 | 1 | Borough |
| Mountville | 56 | 2,992 | 3,016 | -0.13% | 3,475 | 1 | Borough |
| Paradise | 57 | 2,898 | 2,908 | 0.14% | 136 | 21 | Township |
| Quarryville | 58 | 2,882 | 2,837 | 0.28% | 2,232 | 1 | Borough |
| Drumore | 59 | 2,672 | 2,558 | 0.68% | 111 | 24 | Township |
| Eden | 60 | 2,286 | 2,238 | 0.35% | 182 | 13 | Township |
| Adamstown | 61 | 1,973 | 1,934 | 0.36% | 1,430 | 1 | Borough |
| Terre Hill | 62 | 1,285 | 1,299 | -0.16% | 2,824 | 0 | Borough |
| Columbia | 63 | 1,134 | 1,162 | -0.35% | 28 | 41 | Township |
| Christiana | 64 | 1,096 | 1,107 | -0.18% | 2,080 | 1 | Borough |
| Brownstown | 65 | 662 | 692 | -0.75% | 2,817 | 0 | Borough |
| Stevens | 66 | 415 | 420 | -0.24% | 27 | 16 | Township |
Lancaster is the largest city in Lancaster County, with a population of 58,690.
Stevens is the smallest city in Lancaster County, with a population of 415.
There are 66 cities in Lancaster County, Pennsylvania.