There are 18 zip codes in Washington County, Maryland. The most populated is 21740, located in Hagerstown. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Zip Code
City
Population
21740Hagerstown62,760
21742Hagerstown34,549
21713Boonsboro9,999
21783Smithsburg9,866
21795Williamsport9,772
21722Clear Spring6,709
21782Sharpsburg4,389
21750Hancock3,613
21756Keedysville3,303
21746Hagerstown2,613
21779Rohrersville1,731
21733Fairplay1,202
21719Cascade1,145
21767Maugansville873
21711Big Pool864
21734Funkstown861
21781Saint James41
21715Brownsville12

Washington County, Maryland Zip Codes by Population (2024)