West Kotawaringin Regency


West Kotawaringin Regency is one of the thirteen regencies which comprise the Central Kalimantan Province on the island of Kalimantan, Indonesia. It originally comprised the whole western part of the province, having been split from a single Kotawaringin Regency on 26 June 1959 into separate regencies for West and East Kotawaringin, but on 10 April 2002 the most westerly districts of West Kotawaringin were split off to form the new Lamandau Regency and Sukamara Regency. The residual West Kotawaringin Regency has a land area of about 10,759 km2, and its population was 235,803 at the 2010 Census and 270,388 at the 2020 Census; the official estimate as at mid 2024 was 282,790. The large town of Pangkalan Bun in Arut Selatan District is the capital of West Kotawaringin Regency.

Administrative districts

West Kotawaringin Regency now consists of six administrative districts, tabulated below with their areas and population totals from the 2010 Census and the 2020 Census, together with the official estimates as at mid 2024. Pangkalan Banteng and Pangkalan Lada Districts were previously the northern part of Kumai District. The table also includes the locations of the district administrative centres, the number of administrative villages in each district, and its post codes.
Kode
Wilayah		Name of
District
Area
in
km2		Pop'n
Census
2010		Pop'n
Census
2020		Pop'n
Estimate
mid 2024		Admin
centre		No.
of
villages		Post
codes
62.01.03Kotawaringin Lama1,218.016,79619,13819,900Kotawaringin Hilir17 74161
62.01.02Arut Selatan
2,400.098,406117,742124,790Madurejo
20 74111
- 74117
62.01.01Kumai2,921.046,54452,63354,580Candi18 74181
62.01.06Pangkalan Banteng1,306.030,59737,37037,770Karang Mulya1774183
62.01.05Pangkalan Lada229.0327,93434,16436,520Pandu Sanjaya1174184
62.01.04Arut Utara
2,685.015,5269,3419,240Pangkut11 74152
Totals10,759.0235,803270,388282,790Pangkalan Bun94

Notes: including 2 kelurahan. comprising 7 kelurahan and 13 desa.
including 3 kelurahan. including 1 kelurahan.