As of the 2010 census it had a population of 627 .
Bowmans Addition is an unincorporated community and census - designated place ( CDP ) in Allegany County , Maryland , United States .
As of the 2010 census Bowmans Addition had a population of 627 .
Bowmans Addition is an unincorporated community and census - designated place ( CDP ) in Allegany County , Maryland , United States .