South Bolaang Mongondow Regency is a regency of North Sulawesi Province of Indonesia. The Regency stretches along the south coast of the province as part of the Minahasa Peninsula, facing the Gulf of Tomini. It was created on 24 June 2008 by splitting off districts which were previously the southern part of Bolaang Mongondow Regency. It covers a land area of 1,772.89 km2, and had a population of 57,001 at the 2010 Census,Biro Pusat Statistik, Jakarta, 2011. which rose to 69,791 at the 2020 Census;Badan Pusat Statistik, Jakarta, 2021. the official estimate as at mid 2025 was 76,105 (comprising 39,368 males and 36,737 females).Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Bolaang Mongondow Selatan Dalam Angka 2026 (Katalog-BPS 1102001.7110) The administrative centre lies at the town of Molibagu.
Administration At the time of the 2010 Census, the Regency was divided into five districts (kecamatan), but two additional districts (Helumo and Tomini) have subsequently been created by splitting of existing districts. The seven districts are tabulated below with their areas and their populations at the 2010 CensusBiro Pusat Statistik, Jakarta, 2011. and the 2020 Census,Badan Pusat Statistik, Jakarta, 2021. together with the official estimates as at mid 2025.Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Bolaang Mongondow Selatan Dalam Angka 2026 (Katalog-BPS 1102001.7110) The table also includes the locations of the district administrative centres, the numbers of administrative villages (all classed as rural desa) in each district and its postal code.
Kode Wilayah Name ofDistrict(kecamatan)( Area in km2 Pop'nCensus2010 Pop'nCensus2020 Pop'nEstimatemid 2025 Admincentre No.ofvillagesPostcode 71.11.02 Posigadan 565.9716,44514,54316,080Momalia1695774 71.11.07 Tomini 138.86(a)6,0436,527Milangodaa795778 71.11.01 Bolang Uki 185.7119,63017,69018,919Molibagu1795770 71.11.06 Helumo 183.93(b)6,9337,542Duminanga1195779 71.11.03 Pinolosian (c) 280.399,06410,69411,718Pinolosian1095775 71.11.04 Pinolosian Tengah (Central Pinolosian) 182.655,1246,2726,898Adow895776 71.11.05 Pinolosian Timur (East Pinolosian) 235.386,7387,6168,421Dumagin B1295777 Totals 1,772.8957,00169,79176,105Molibagu81
Notes: (a) the 2010 population of Tomini District is included in the figure for Posigadan District, from which it was cut out. (b) the 2010 population of Helumo District is included in the figure for Bolaang Uki District, from which it was cut out. (c) including four offshore islands - Pulau Babi, Pulau Kelapa, Pulau Pondan Mointok and Pulau Pondan Moloben.
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