Huntingtown, established 1683, is a census-designated place in Calvert County, Maryland, United States. The population was 3,311 at the 2010 census, up from 2,436 in 2000. Many large estate homes have recently been built in small developments off routes 2/4. It has a public high school called Huntingtown High. The Calverton School is located just south of the town center. State-operated commuter buses and private vanpools carry residents to Washington.