Mamuju Regency is a regency () of West Sulawesi province, Indonesia. The regency capital is at Karema, while Mamuju town is the capital of West Sulawesi. The population of the regency was 336,879 at the 2010 Census,Biro Pusat Statistik, Jakarta, 2011. but it was substantially reduced by the creation of the new Central Mamuju Regency which was cut out of it on 14 December 2012. The reduced Mamuju Regency covers an area of 4,936.02 km2 and had a population of 278,764 at the 2020 Census;Badan Pusat Statistik, Jakarta, 2021. the official estimate as at mid 2025 was 292,298 (comprising 149,651 males and 142,647 females).Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Mamuju Dalam Angka 2026 (Katalog-BPS 1102001.7604)
Administration The regency is divided into eleven districts (kecamatan), tabulated below with their areas and their populations at the 2010 Census and 2020 Census, together with the official estimates for mid 2025.Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Mamuju Dalam Angka 2026 (Katalog-BPS 1102001.7604) The totals for the area and the 2010 population exclude those districts split off in 2012 to form the separate Central Mamuju Regency. The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totalling 88 rural desa and 14 urban kelurahan), and its post code.
Kode Wilayah Name ofDistrict(kecamatan) Area inkm2 Pop'nCensus2010 Pop'nCensus2020 Pop'nEstimatemid 2025Admincentre No.ofvillagesPostcode 76.02.02 Tapalang 284.4218,08320,82021,551Galung10 (a)91551 76.02.13 Tapalang Barat (West Tapalang) 110.849,12911,37312,249Dungkait791552 76.02.01 Mamuju (b) 224.9055,10564,69667,005Binanga9 (c)91511 - 91515 76.02.12 Simboro 140.1123,20036,06340,308Rangas8 (d)91512 - 91513 76.02.16 Kepulauan Balabalakang (e) (Balabalakang Islands)5.312,3472,2012,237Pulau Salissingan(Salissingan Island)291512 76.02.03 Kalukku (f) 460.6549,25059,10861,006Kalukku14 (g)91561 76.02.07 Papalang 200.6921,39523,94225,056Topore991565 76.02.08 Sampaga 110.9613,98615,92516,060Bunde791563 76.02.11 Tommo 987.9019,40723,38125,041Campaloga1491564 76.02.04 Kalumpang 1,580.0710,80011,76312,303Kalumpang1391560 76.02.15 Bonehau 830.478,6229,4929,482Bonehau991562 Totals 4,936.02 231,324278,764292,298Karema102
Notes: (a) including 3 kelurahan - Dayanginna, Galung and Kasambang. (b) including offshore island of Pulau Karampuang to the north of the town. (c) including 5 kelurahan - Binanga, Kasiwa, Karema, Mamunyu and Rimuku. (d) including 2 kelurahan - Rangas and Simboro. (e) the Balabalakang Islands are a small group lying between West Sulawesi and East Kalimantan, and closer to the latter. (f) including 4 offshore islands. (g) including 4 kelurahan - Bebanga, Kalukku, Sinyonyoi and Sinyonyoi Selatan.
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