Sangkulirang is an administrative district (kecamatan) of East Kutai Regency, in East Kalimantan Province of Indonesia. The district lies in the northern part of the Makassar Strait and at the southern part of the Mangkalihat Peninsula. Sangkulirang includes the delta of the Karangan River, which forms the Sangkulirang Bay on the east coast of Borneo (Kalimantan). Most of the district is vegetated with mangrove forest and has some notable karst areas with steep limestone cliffs. It covers an area of 1,559.29 km2 Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Kutai Timur Dalam Angka 2026 (Katalog-BPS 1102001.6404) and had a population of 16,181 at the 2010 Census and 26,449 at the 2020 Census, while the official estimate as at mid 2025 was 26,131.Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Kutai Timur Dalam Angka 2026 (Katalog-BPS 1102001.6404) The district's seat is located in the town of Benua Baru Ilir on the west side of the Karangan River, at the point where it opens out into Sankulirang Bay.
Under consideration is a proposal to separate off the five districts in the northeast corner of East Kutai Regency to create a new Sangkulirang Regency () with its proposed capital at the town of Sangkulirang (Benua Baru Ilir District). Villages Sangkulirang District is divided into the following fifteen villages (desa), listed below with their areas and their populations at the 2020 CensusKecamatan Sangkulirang Dalam Angka 2022 and according to the mid-2024 official estimates.Badan Pusat Statistik, Jakarta, 26 September 2025, Kecamatan Sangkulirang Dalam Angka 2025 (Katalog-BPS 1102001.6404050) Regional code Name Area (km2) Pop'n (2020) Pop'n (2024) Hamlets () RW () 64.08.05.2001 Kerayaan 216.35 3,222 3,045 2 10 64.08.05.2006 Benua Baru Ilir 46.47 5,322 5,840 5 26 64.08.05.2011 Sempayau 82.82 1,742 1,494 2 6 64.08.05.2013 Tepian Terap 342.48 1,366 1,620 1 4 64.08.05.2012 Pelawan 117.42 2,426 1,921 2 7 64.08.05.2005 Mandu Dalam 306.23 1,311 965 2 6 64.08.05.2004 Saka 125.73 708 728 2 5 64.08.05.2003 Peridan 55.35 2,419 1,605 3 10 64.08.05.2002 Tanjung Manis 7.92 862 674 2 4 64.08.05.2015 Maloy 59.76 1,082 1,339 2 6 64.08.05.2016 Benua Baru Ulu 20.27 2,715 2,800 3 14 64.08.05.2017 Kolek 67.56 594 561 1 3 64.08.05.2018 Pulau Miang 26.51 814 807 1 3 64.08.05.2019 Perupuk 56.57 1,116 859 2 6 64.08.05.2020 Mandu Pantai Sejahtera 27.85 750 902 2 5 Totals 1,559.29 26,449 25,160 32 115
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