What is aberdeen maryland zip code?

The zip code for Aberdeen, Maryland is 21001. Aberdeen is a city located in Harford County in northeastern Maryland, and it is situated at the head of Chesapeake Bay. The population of Aberdeen is around 16,000, and the city is home to the Aberdeen Proving Ground, which is a major US Army installation. The city is known for its historic buildings, including the Aberdeen Station, which was built in 1905 and was once a stop on the Pennsylvania Railroad. Aberdeen is also home to a number of parks and recreational areas, including the Aberdeen Festival Park and the Swan Harbor Farm Park.