South Labuhanbatu Regency (Kabupaten Labuhanbatu Selatan, alternatively Kabupaten Labuhan Batu Selatan) is a regency of North Sumatra Province of Indonesia, created on 21 July 2008 (in accordance with Law No. 22 of 24 June 2008) by being carved out of the southern districts of the existing Labuhanbatu Regency. The new South Labuhanbatu Regency covers an area of 3,051.82 square kilometres and according to the 2010 census it had a population of 277,673,Biro Pusat Statistik, Jakarta, 2011. which rose to 314,094 at the 2020 Census;Badan Pusat Statistik, Jakarta, 2021. the official estimate as of mid 2025 was 342,225 (comprising 171,513 males and 165,064 females).Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Labuhanbatu Selatan Dalam Angka 2026 (Katalog-BPS 1102001.1222) Its administrative headquarters are at the town of Kotapinang.
Administrative districts The regency is divided administratively into five districts (kecamatan), tabulated below with their areasBadan Pusat Statistik, Jakarta, 28 February 2025, Kabupaten Labuhanbatu Selatan Dalam Angka 2025 (Katalog-BPS 1102001.1222) and their populations at the 2010 Census and the 2020 Census, together with the official estimates as of mid 2025.Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Labuhanbatu Selatan Dalam Angka 2026 (Katalog-BPS 1102001.1222) The table also includes the location of the district centres, the number of administrative villages in each district (totaling 52 rural desa and 2 urban kelurahan), and its post code.
Kode Wilayah Name ofDistrict(kecamatan) Areain km2 Pop'nCensus2010 Pop'nCensus2020 Pop'nEstimatemid 2025 AdmincentreNo.ofvillagesPostcode 12.22.04 Sungai Kanan ("Right River")486.9145,40748,44751,280Langga Payung9 (a)21465 12.22.03 Torgamba 1,241.4099,010109,970118,687Aek Batu14 (b)21466 12.22.01 Kotapinang 342.5053,95464,45572,060Kotapinang10 (c)21464 12.22.05 Silangkitang 217.2728,28230,72832,812Aek Goti621461 12.22.02 Kampung Rakyat 763.7451,02060,49467,386Tanjung Medan15 21463 Totals 3,051.82277,673314,094342,225Kotapinang54
Note: (a) including the kelurahan of Langga Payung, with 11,811 inhabitants as at mid 2024.Badan Pusat Statistik, Jakarta, 26 September 2025, Kecamatan Sungai Kanan Dalam Angka 2025 (Katalog-BPS 1102001.122010) (b) while not classed as an urban kelurahan, the desa (village) with the largest population in mid 2024 is Aek Batu, with 27,721 inhabitants.Badan Pusat Statistik, Jakarta, 26 September 2025, Kecamatan Torgamba Dalam Angka 2025 (Katalog-BPS 1102001.122020) (c) including the kelurahan of Kotapinang, with 24,575 inhabitants as at mid 2023, while the most populous desa was Sisumut with 15,899 inhabitants.Badan Pusat Statistik, Jakarta, 26 September 2025, Kecamatan Kotapinang Dalam Angka 2025 (Katalog-BPS 1102001.122030)
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