Chillum

In addition to being its own unincorporated neighborhood, Chillum is also a census-designated place covering a larger area than the Chillum neighborhood. As of the 2010 census, the Chillum CDP included Chillum, as well as the adjacent unincorporated communities of Avondale, Carole Highlands, Green Meadows, and Lewisdale. The population was 36,039 at the 2020 census.

Chillum, the neighborhood, is contained between the Northwest Branch Anacostia River to the east, East West Highway (MD 410) and Sligo Creek to the north, New Hampshire Avenue (MD 650) to the west, and Eastern Avenue NE to the south. Chillum borders the adjacent communities of Avondale, Green Meadows, and Carole Highlands in Prince George's County as well as the city of Takoma Park in Montgomery County, and the Riggs Park (also known as "Lamond Riggs"), Queens Chapel, and North Michigan Park neighborhoods of Northeast Washington D.C. Actor Jonathan Banks is from Chillum.