Antietam, Maryland

Antietam is an unincorporated community and census-designated place in Washington County, Maryland, United States. Its population was 89 as of the 2010 census. It is the site of Antietam Iron Furnace Site and Antietam Village, added to the National Register of Historic Places in 1975.

Geography
According to the U.S. Census Bureau, the community has an area of 0.153 mi2, all land.