Out of the total population, 199,487 people (48.5 percent) are male while 211,469 people (51.5 percent) are female. The average household size is 4.4 people. The Roman Catholic Church reports that 19.2% of the population are Roman Catholics. Dodoma is populated by different ethnic groups because it is a government administrative centre, although the indigenous ethnic groups are the Gogo, Rangi, and Sandawe. There are also small Indian minorities.