Cresaptown is an unincorporated community and census-designated place located in Allegany County, Maryland, United States. As of the 2010 census it had a population of 6,247. Prior to 2010 it was part of the Cresaptown-Bel Air CDP. Cresaptown's post office was established December 22, 1800. Cresaptown is located 6 miles southwest of Cu…Cresaptown is an unincorporated community and census-designated place located in Allegany County, Maryland, United States. As of the 2010 census it had a population of 6,247. Prior to 2010 it was part of the Cresaptown-Bel Air CDP. Cresaptown's post office was established December 22, 1800. Cresaptown is located 6 miles southwest of Cumberland.