There are 53 zip codes in Lancaster County, Pennsylvania. The most populated is 17603, located in Lancaster. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
17603Lancaster67,891
17601Lancaster56,164
17602Lancaster50,184
17543Lititz45,393
17522Ephrata34,061
17022Elizabethtown31,969
17545Manheim22,568
17552Mount Joy19,902
17512Columbia18,044
17557New Holland15,303
17517Denver15,051
17566Quarryville12,150
17551Millersville11,526
17584Willow Street11,521
17540Leola10,730
17547Marietta8,851
17554Mountville7,871
17578Stevens7,642
17538Landisville7,496
17569Reinholds7,460
17555Narvon6,924
17519East Earl6,651
17527Gap6,525
17579Strasburg6,409
17520East Petersburg5,202
17560New Providence5,154
17509Christiana5,068
17516Conestoga4,952
17529Gordonville4,795
17501Akron4,639
17562Paradise4,277
17563Peach Bottom4,073
17572Ronks3,824
17536Kirkwood3,610
17532Holtwood3,445
17535Kinzers2,545
17502Bainbridge2,483
17565Pequea2,229
17505Bird In Hand2,156
17582Washington Boro1,615
17518Drumore1,455
19501Adamstown1,084
17508Brownstown1,052
17506Blue Ball391
17606Lancaster317
17570Rheems212
17550Maytown168
17507Bowmansville158
17504Bausman142
17581Terre Hill126
17576Smoketown122
17534Intercourse39
17568Refton0
showing: 53 rows

Lancaster County, Pennsylvania Zip Codes by Population (2024)