 Based on data from the 2010 United States Census, the combined population of Georgetown, Marine Park, Bergen Beach, and Mill Basin was 45,231, an increase of 2,291 (5.3%) from the 42,940 counted in the 2000 United States Census.Covering an area of , the neighborhood had a population density of .By the end of the 20th century, the vast majority of Bergen Beach residents were white, as were most residents of adjacent neighborhoods such as Mill Basin and Marine Park.