The average population of component administrative units of the upazila are 4,072 for wards, 1,666 for mahallas, 29,853 for unions, 5,060 for mouzas (revenue villages) and 5,060 for villages reported by the census. Out of the 69 mauzas here, 8 have less than 50 households, while 27 have more than 600 households. Of the villages, 8 have a population of less than 250, while 29 have more than 2,500. , the population density of Sitakunda was .
