Antietam, Maryland

Unincorporated community in Maryland, United States

39°24′58″N 77°44′32″W / 39.41611°N 77.74222°W / 39.41611; -77.74222CountryUnited StatesStateMarylandCountyWashingtonArea

^[1]

• Total0.15 sq mi (0.40 km²) • Land0.15 sq mi (0.40 km²) • Water0.00 sq mi (0.00 km²)Elevation

^[2]

308 ft (94 m)Population

(2020)

• Total98 • Density640.52/sq mi (246.59/km²)Time zoneUTC−5 (Eastern (EST)) • Summer (DST)UTC−4 (EDT)ZIP code

21782^[3]

Area codes301, 240FIPS code24-01750GNIS feature ID2583571^[2]

Antietam is an unincorporated community and census-designated place in Washington County, Maryland, United States.^[2] Its population was 89 as of the 2010 census.^[4] It is the site of Antietam Iron Furnace Site and Antietam Village, added to the National Register of Historic Places in 1975.^[5]^[6]

Geography

According to the U.S. Census Bureau, the community has an area of 0.153 square miles (0.40 km²), all land.^[4]

Historical population
Census	Pop.	Note	%±
2020	98		—
U.S. Decennial Census^[7]

^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved April 26, 2022.
^ ^a ^b ^c U.S. Geological Survey Geographic Names Information System: Antietam, Maryland
^ "Antietam MD ZIP Code". zipdatamaps.com. 2023. Retrieved April 18, 2023.
^ ^a ^b "2010 Census Gazetteer Files – Places: Maryland". U.S. Census Bureau. Retrieved February 10, 2017.
^ "National Register Information System". National Register of Historic Places. National Park Service. April 15, 2008.
^ Maryland Historical Trust: Listing for Antietam Iron Furnace Site and Antietam Village
^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.