There are 12 zip codes in Calvert County, Maryland. The most populated is 20657, located in Lusby. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
2065721,054Lusby
2063915,058Huntingtown
2067812,874Prince Frederick
2073210,676Chesapeake Beach
207369,274Owings
207547,344Dunkirk
206856,750Saint Leonard
206762,897Port Republic
206891,884Sunderland
206881,170Solomons
206291,072Dowell
20615524Broomes Island

Zip Codes in Calvert County, Maryland by Population (2024)