Lancaster County, Pennsylvania Zip Codes
| Lancaster | 67,891 |
| Lancaster | 56,164 |
| Lancaster | 50,184 |
| Lititz | 45,393 |
| Ephrata | 34,061 |
| Elizabethtown | 31,969 |
| Manheim | 22,568 |
| Mount Joy | 19,902 |
| Columbia | 18,044 |
| New Holland | 15,303 |
| Denver | 15,051 |
| Quarryville | 12,150 |
| Millersville | 11,526 |
| Willow Street | 11,521 |
| Leola | 10,730 |
| Marietta | 8,851 |
| Mountville | 7,871 |
| Stevens | 7,642 |
| Landisville | 7,496 |
| Reinholds | 7,460 |
| Narvon | 6,924 |
| East Earl | 6,651 |
| Gap | 6,525 |
| Strasburg | 6,409 |
| East Petersburg | 5,202 |
| New Providence | 5,154 |
| Christiana | 5,068 |
| Conestoga | 4,952 |
| Gordonville | 4,795 |
| Akron | 4,639 |
| Paradise | 4,277 |
| Peach Bottom | 4,073 |
| Ronks | 3,824 |
| Kirkwood | 3,610 |
| Holtwood | 3,445 |
| Kinzers | 2,545 |
| Bainbridge | 2,483 |
| Pequea | 2,229 |
| Bird In Hand | 2,156 |
| Washington Boro | 1,615 |
| Drumore | 1,455 |
| Adamstown | 1,084 |
| Brownstown | 1,052 |
| Blue Ball | 391 |
| Lancaster | 317 |
| Rheems | 212 |
| Maytown | 168 |
| Bowmansville | 158 |
| Bausman | 142 |
| Terre Hill | 126 |
| Smoketown | 122 |
| Intercourse | 39 |
| Refton | 0 |
- Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.