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
Population
City
1760367,891Lancaster
1760156,164Lancaster
1760250,184Lancaster
1754345,393Lititz
1752234,061Ephrata
1702231,969Elizabethtown
1754522,568Manheim
1755219,902Mount Joy
1751218,044Columbia
1755715,303New Holland
1751715,051Denver
1756612,150Quarryville
1755111,526Millersville
1758411,521Willow Street
1754010,730Leola
175478,851Marietta
175547,871Mountville
175787,642Stevens
175387,496Landisville
175697,460Reinholds
175556,924Narvon
175196,651East Earl
175276,525Gap
175796,409Strasburg
175205,202East Petersburg
175605,154New Providence
175095,068Christiana
175164,952Conestoga
175294,795Gordonville
175014,639Akron
175624,277Paradise
175634,073Peach Bottom
175723,824Ronks
175363,610Kirkwood
175323,445Holtwood
175352,545Kinzers
175022,483Bainbridge
175652,229Pequea
175052,156Bird In Hand
175821,615Washington Boro
175181,455Drumore
195011,084Adamstown
175081,052Brownstown
17506391Blue Ball
17606317Lancaster
17570212Rheems
17550168Maytown
17507158Bowmansville
17504142Bausman
17581126Terre Hill
17576122Smoketown
1753439Intercourse
17568Refton
showing: 53 rows

Zip Codes in Lancaster County, Pennsylvania by Population (2024)