Cities, Towns, Neighborhoods & Other Populated Places in Lancaster County.
| City Name | Title | County | Population |
|---|---|---|---|
| Hempfield | Unincorporated community in Lancaster County, Pennsylvania | 40,463 | |
| Lancaster | City in central Lancaster County, Pennsylvania, United States | 17,156 | |
| West Lampeter | Township of Pennsylvania | 15,950 | |
| Elizabethtown | Borough in northwestern Lancaster County, Pennsylvania | 11,445 | |
| Ephrata | City of the state Washington, United States | 10,453 | |
| Columbia | Borough in western Lancaster County, Pennsylvania, United States | 10,355 | |
| Lititz | Borough in northern Lancaster County, Pennsylvania | 9,465 | |
| Conewago | Unincorporated community in Lancaster County, Pennsylvania | 8,497 | |
| Millersville | City in Lancaster County, Pennsylvania, United States | 8,359 | |
| Clay | Census-designated place in Lancaster County, Pennsylvania | 6,924 | |
| East Earl | Township in northeastern Lancaster County, Pennsylvania | 6,891 | |
| Leacock | Township in Lancaster County, Pennsylvania | 5,764 | |
| Union | Township in southeastern Union County, Pennsylvania | 5,678 | |
| New Holland | Borough in Lancaster County, Pennsylvania, United States | 5,464 | |
| Pequea | Unincorporated community in Lancaster County, Pennsylvania | 5,339 | |
| Bethel | Census-designated place in Berks County, Pennsylvania | 5,297 | |
| Peach Bottom | City in Pennsylvania, United States of America | 5,066 | |
| East Petersburg | Borough in central Lancaster County, Pennsylvania | 4,504 | |
| Strasburg | Borough in Lancaster County, Pennsylvania | 4,329 | |
| Little Britain | Township in Lancaster County, Pennsylvania | 4,258 | |
| Paradise | Census-designated place in Lancaster County, Pennsylvania, United States | 4,116 | |
| Akron | Borough in northern Lancaster County, Pennsylvania, United States | 4,015 | |
| Conestoga | Township in Lancaster County, Pennsylvania | 3,881 | |
| Denver | Borough in northeastern Lancaster County, Pennsylvania, United States | 3,851 | |
| Manheim | Borough in central Lancaster County, Pennsylvania | 3,498 | |
| Mountville | Borough in western Lancaster County, Pennsylvania | 2,847 | |
| Quarryville | Borough in southern Lancaster County, Pennsylvania | 2,757 | |
| Drumore | Township in southern Lancaster County, Pennsylvania | 2,689 | |
| Marietta | Borough in northwestern Lancaster County, Pennsylvania | 2,604 | |
| Pine Grove | Human settlement | 2,526 | |
| Adamstown | Capital and only settlement on the Pitcairn Islands | 1,858 | |
| Benton | Borough in northern Columbia County, Pennsylvania | 1,857 | |
| Cambridge | Township in Crawford County, Pennsylvania | 1,486 | |
| Terre Hill | Borough in eastern Lancaster County, Pennsylvania | 1,435 | |
| Fairmount | Township in northwestern Luzerne County, Pennsylvania | 1,253 | |
| Summerhill | Borough of Pennsylvania | 1,195 | |
| Christiana | Borough in eastern Lancaster County, Pennsylvania | 1,171 | |
| Oregon | Human settlement in Pennsylvania, United States | 758 | |
| Buck | Unincorporated community in Lancaster County, Pennsylvania | 435 | |
| Goshen | Township in Clearfield County, Pennsylvania | 420 | |
| Rockhill | Borough in Huntingdon County, Pennsylvania, United States | 362 | |
| Roseville | Borough in Pennsylvania | 184 | |
| Georgetown | Census-designated place in Pennsylvania, United States | 162 |