Severn
BWI Airport & Severn River Access Community Severn is a census-designated place (CDP) in Anne Arundel County, Maryland. Located between Annapolis and Baltimore, Severn offers convenient access to BWI Airport, Severn River waterfront access, and a mix of residential neighborhoods with strong community amenities. Quick Facts Category Information Population ~32,000 (2020 Census) Area ~8.0 sq mi ZIP Codes 21144 Area Codes 410, 443, 667 Founded Mid-1900s Elevation ~30 ft Time Zone EST (UTC-5) Coordinates: 39°02′45″N 76°45′30″W ...