There are 14 zip codes in Adams County, Pennsylvania. The most populated is 17325, located in Gettysburg. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
1732529,110Gettysburg
1735013,343New Oxford
1734011,622Littlestown
173168,544East Berlin
173208,206Fairfield
173075,594Biglerville
173014,201Abbottstown
173723,851York Springs
173443,633McSherrystown
173532,870Orrtanna
173042,845Aspers
17306576Bendersville
17303380Arendtsville
1734323McKnightstown

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