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 1,789.69 km2 and had a population of 62,485 at the 2010 CensusBiro Pusat Statistik, Jakarta, 2011. and 85,482 at the 2020 Census;Badan Pusat Statistik, Jakarta, 2021. the official estimate as at mid 2025 was 94,187 (comprising 48,274 males and 45,913 females).Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Sumba Tengah Dalam Angka 2026 (Katalog 1102001.5316) The seat (capital) of its government is located at Waibakul.
Administrative districts
The Central Sumba Regency (following the re-organisation on 22 May 2007 which created it out of parts of both West Sumba Regency and East Sumba Regency) was composed of five districts (kecamatan), but a sixth district (Umbu Ratu Nggay Tengah) has since been created by taking 7 villages from Umbu Ratu Nggay District and 3 villages from Umbu Ratu Nggay Barat District. The areas (in km2) and populations of these districts at the 2010 CensusBiro Pusat Statistik, Jakarta, 2011. and the 2020 CensusBadan Pusat Statistik, Jakarta, 2021. are listed below, together with the official estimates as at mid 2025.Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Sumba Tengah Dalam Angka 2026 (Katalog 1102001.5316) The table also includes the locations of the district administrative centres, the number of administrative villages in each district (all classed as rural desa), and its postal code.
Katikutana District (which borders Waikabubak in neighbouring West Sumba Regency to the west) 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 ofDistrict(kecamatan) Area in km2 Pop'nCensus2010 Pop'nCensus2020 Pop'nEstimatemid 2025 Admin centre No. ofvillagesPostcode 53.17.01 Katikutana Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Katikutana Dalam Angka 2024 (Katalog-BPS 1102001.5316010) 64.88 9,73313,83715,524Anakalang787282 53.17.05 Katikutana Selatan Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Katikutana Selatan Dalam Angka 2024 (Katalog-BPS 1102001.5316011) (South Kalikutana) 317.4610,09514,75516,777Waikabeti987280 53.17.02 Umbu Ratu Nggay Barat Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Umbu Ratu Nggat Barat Dalam Angka 2024 (Katalog-BPS 1102001.5316020) (West Umbu Ratu Nggay) 244.4416,22321,50720,192Maderi1587281 53.17.04 Umbu Ratu Nggay Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Umbu Ratu Nggay Dalam Angka 2024 (Katalog-BPS 1102001.5316030) 619.7312,26416,30612,261Lendi Wacu1187283 53.17.06 Umbu Ratu Nggay Tengah Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Umbu Ratu Nggay Tengah Dalam Angka 2024 (Katalog-BPS 1102001.5316031) (Central Umbu Ratu Nggay) 217.11(a)(a)8,588Bolubokat1087283 53.17.03 Mamboro Badan Pusat Statistik, Jakarta, 26 September 2024, Kecamatan Mamboro Dalam Angka 2024 (Katalog-BPS 1102001.5316040) 326.9714,17019,07720,845Mananga1387258 Totals 1,789.6962,48585,48294,187Waibakul65
Note: (a) 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.
References
See also
List of regencies and cities of Indonesia