The demonym for residents of Kolkata are Calcuttan and Kolkatan.[110][111] According to provisional results of the 2011 national census, Kolkata district, which occupies an area of 185 km2 (71 sq mi), had a population of 4,486,679;[112] its population density was 24,252/km2 (62,810/sq mi).[112] This represents a decline of 1.88% during the decade 2001–11.