Brooklyn Park is a census-designated place in Anne Arundel County, Maryland, United States. The population was 14,373 at the 2010 census, and 16,112 at the 2020 census. Brooklyn Park is located at 39°13′29″N 76°36′46″W / 39.22472°N 76.61278°W on the northern edge of Anne Arundel County and borders the city of Baltimore along its southern b…Brooklyn Park is a census-designated place in Anne Arundel County, Maryland, United States. The population was 14,373 at the 2010 census, and 16,112 at the 2020 census. Brooklyn Park is located at 39°13′29″N 76°36′46″W / 39.22472°N 76.61278°W on the northern edge of Anne Arundel County and borders the city of Baltimore along its southern boundary of 1919. The CDP is bordered as well by Interstate 695 to the south, by Maryland Route 648 to the west, and by the Patapsco River, which forms the Anne Arundel County/Baltimore County boundary, to the northwest.