Dunkirk is a census-designated place (CDP) in Calvert County, Maryland, United States. The population was 2,363 at the 2000 census. The area is very fast-growing, with many large estate homes. Considered one the wealthiest places to live inside the Washington, DC metropolitan area, with home prices starting at $800,000. The median house price is currently over $1,000,000.
Dunkirk is located at 38°42′49″N 76°40′12″W / 38.71361°N 76.67°W / 38.71361; -76.67 (38.713499, −76.670070).
According to the United States Census Bureau, the CDP has a total area of 7.3 square miles (18.9 km²), of which, 6.8 square miles (17.6 km²) of it is land and 0.5 square miles (1.3 km²) of it (6.87%) is water.