Central Sumba Regency

Central Sumba Regency is a regency in East Nusa Tenggara of Indonesia. The new Central Sumba Regency was established on the island of Sumba when West Sumba Regency was split into two regencies on 22 May 2007 and a further Regency was created in Central Sumba from parts of both West Sumba and East Sumba Regencies.
The new Regency covers 2,060.54 km² and had a population of 62,485 at the 2010 Census and 85,482 at the 2020 Census; the official estimate as at mid 2024 was 92,354. The seat of its government is located at Waibakul.

Administrative districts

The Central Sumba Regency was composed of five districts, but a sixth district has since been created by taking 7 villages from Umbu Ratu Nggay District and 3 villages from Umbu Ratu Nggay Barat District. The areas and populations of these districts at the 2010 Census and the 2020 Census are listed below, together with the official estimates as at mid 2024. The table also includes the locations of the district administrative centres, the number of administrative villages in each district, and its postal code.
Katikutana District and South Kalikutana District are situated in the south of the Regency, and include much of Manupeu Tanah Daru National Park; Mamboro District and the Umbu Ratu Nggay districts are to the north, with Mamboro village serving as a port on the island's north coast.

Kode Wilayah	Name of District	Area in km²	Pop'n Census 2010	Pop'n Census 2020	Pop'n Estimate mid 2024	Admin centre	No. of villages	Post code
53.17.01	Katikutana	78.83	9,733	13,837	15,167	Anakalang	7	87282
53.17.05	Katikutana Selatan	368.34	10,095	14,755	16,348	Waikabeti	9	87280
53.17.02	Umbu Ratu Nggay Barat	272.05	16,223	21,507	19,845	Maderi	15	87281
53.17.04	Umbu Ratu Nggay	791.37	12,264	16,306	12,049	Lendi Wacu	11	87283
53.17.06	Umbu Ratu Nggay Tengah	191.36			8,470	Bolubokat	10	87283
53.17.03	Mamboro	358.59	14,170	19,077	20,475	Mananga	13	87258
	Totals	2,060.54	62,485	85,482	92,354	Waibakul	65	-

Note: The populations at the 2010 and 2020 Censuses of the villages now forming the new Central Umbu Ratu Nggay District are included with the figures for the two districts from which they were cut out.