Severn is a census-designated place in Anne Arundel County, Maryland, United States. According to the 2020 U.S. census, the population of Severn is 57,118, a 22.6% increase from 44,231 in 2010. The zip code is 21144. From Wikipedia
The 31-year-old attempted to rescue his dog from an electrified metal fence caused by downed power lines in Severn.
