About Barstow, Maryland

Barstow is a small, rural unincorporated community in Calvert County, Maryland located immediately west of Prince Frederick. The community maintains its own separate zip code, 20610.The new Calvert County Fairgrounds are located in Barstow, moving from their original location in central Prince Frederick in the late 1990s. A branch of College of Southern Maryland is very close by.Cedar Hill and Willow Glenn were listed on the National Register of Historic Places in 1973.

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