Cosmos Restaurant served Salvadorian and Mexican food. Adams Morgan is a part of Ward 1, located in Northwest Washington, D.C. According to 1990 census data, Ward 1 had a population that was 18% Latino and 60% Black Non-Hispanic. This is the highest percentage of Latinos in Washington, D.C. and one of the most diverse wards in Washington, D.C. at the time.
Black Mosaic Research Project, Anacostia Community Museum Archives, Smithsonian Institution