Labuhanbatu Regency (Kabupaten Labuhanbatu, alternatively Kabupaten Labuhan Batu), alternatively written in space as Labuhan Batu Regency, is a regency of North Sumatra Province in Indonesia. Its administrative seat is Rantau Prapat. An original regency (formed on 7 November 1956) of the province, it had an area of 9,703 km2 as of early 2008, prior to the separation out of its southern and its north-western districts respectively to create the new South Labuhanbatu and North Labuhanbatu Regencies on 21 July 2008 (in accordance with Laws Nos. 22 and 23 respectively of that year).
Subsequently, the reduced regency has an area of 2,772.57 km2 and had a census population in 2010 of 415,248,Biro Pusat Statistik, Jakarta, 2011. which rose to 493,899 at the 2020 Census;Badan Pusat Statistik, Jakarta, 2021. the official estimate as of mid 2025 was 527,043 (comprising 267,450 males and 259,590 females).Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Labuhanbatu Dalam Angka 2026 (Katalog-BPS 1102001.1207)
The Panai Estuary, which consists of the Bilah River and Barumun River, is located in this regency, and it was the seat of the ancient Buddhist trading kingdom of Pannai, ca. 11th to 14th centuries, connected to the Bahal temple in North Padang Lawas Regency.
Administrative districts Following the separation off of thirteen districts (kecamatan) to form the new South Labuhanbatu and North Labuhanbatu Regencies on 21 July 2008 (in accordance with the enabling Laws enacted on 24 June 2008), the reduced regency is now divided administratively into nine districts, tabulated below with their areasBadan Pusat Statistik, Jakarta, 28 February 2025, Kabupaten Labuhanbatu Dalam Angka 2025 (Katalog-BPS 1102001.1207) 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 Dalam Angka 2026 (Katalog-BPS 1102001.1207) The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 75 rural desa and 23 urban kelurahan - the latter chiefly in the town of Rantau Prapat), and its post code.
Kode Wilayah Name ofDistrict(kecamatan) Areain km2 Pop'nCensus2010 Pop'nCensus2020 Pop'nEstimatemid 2025AdmincentreNo. ofvillagesPostcode 12.0.09 Bilah Hulu (Upper Bilah) 385.0256,38864,41667,717Aek Nabara2421451 12.10.14 Pangkatan 271.1331,73837,76640,290Pangkatan721462 12.10.07 Bilah Barat (West Bilah) 291.0533,75339,95342,542Janji1021411 (a) 12.10.08 Bilah Hilir (Lower Bilah) 472.2649,92859,37063,322Negeri Lama13 (b)21471 12.10.20 Panai Hulu (Upper Panai) 225.9833,14438,02840,039Tanjung Sarang Elang721470 12.10.18 Panai Tengah (c) (Middle Panai) 584.5633,57041,14344,363Labuhan Bilik10 (d)21472 12.10.19 Panai Hilir (e) (Lower Panai) 391.1335,81142,76145,676Sei Berombang8 (f) 21473 12.10.02 Rantau Selatan (South Rantau Prapat) 60.2057,94873,97780,949Sioldengan9 (g) 21421 - 21429 12.10.01 Rantau Utara (North Rantau Prapat) 91.2482,83096,485102,145Rantau Prapat10 (h) 21411 - 21419 Totals 2,772.57415,110493,899527,043Rantau Prapat98
Notes: (a) except the desa of Kampung Baru, which has a post code of 21415. (b) including the two kelurahan of Negeri Lama and Negeri Baru, with 7,113 and 5,108 inhabitants respectively as at mid 2024.Badan Pusat Statistik, Jakarta, 26 September 2025, Kecamatan Bilah Hilir Dalam Angka 2025 (Katalog-BPS 1102001.1207130) (c) including the offshore island of Pulau Ongah Labuhan. (d) including the kelurahan of Labuhan Bilik, with 4,110 inhabitants as at mid 2024.Badan Pusat Statistik, Jakarta, 26 September 2025, Kecamatan Panai Tengah Dalam Angka 2025 (Katalog-BPS 1102001.1207150) (e) including the offshore island of Pulau Sikantan. (f) including the kelurahan of Sei Berombang, with 13,590 inhabitants as at mid 2024.Badan Pusat Statistik, Jakarta, 26 September 2025, Kecamatan Panai Hilir Dalam Angka 2025 (Katalog-BPS 1102001.1207160) (g) comprises 9 kelurahan - Bakaran Batu, Danobale, Lobu Sona, Perdamean, Sidorejo, Sigambal, Sioldengan, Ujung Bandar and Ujung Kompas; see Rantau Prapat for details. (h) comprises 10 kelurahan - Aek Paing, Bina Raga, Cendana, Kartini, Padang Bulan, Padang Matinggi, Pulo Padang, Rantau Prapat, Sirandorung and Siringo-ringo; see Rantau Prapat for details.
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