The ward covers an area of 200 km2 (77 sq mi),[1] and has an average elevation of 11 m (36 ft).

When Tanganyika became independent in 1961, the government chose to keep Kilwa Masoko as the district seat.

According to the 2012 Tanzania National Census, the population of the Kilwa Masoko was 13,601 of which 6,462 were male and 7,139 were female.

The economy of Kilwa Masoko is primarily based on government administration and Cultural tourism.

Other economic activities include fishing and small scale urban agriculture within the town.

Also Kilwa is served by major regional buses to and from Dar es Salaam and Mtwara.