Ciomas is a town and an administrative district (kecamatan) in Bogor Regency, West Java, Indonesia. It is located east of the provincial border with Banten Province, about 21 kilometres southwest of the regency capital Cibinong, and 3 kilometres west of the city center of Bogor, of which it is effectively an integral part even though outside the official city boundary.[3] Ciomas District borders districts of Bogor City (Bogor Barat to the north and Bogor Selatan to the east) and other districts of Bogor Regency (Tamansari to the south and Dramaga to the west). It covers an area of 16.07km2, and had a population of 149,167 at the 2010 Census and 170,486 at the 2020 Census; the official estimate as at mid 2024 was 166,220 (comprising 84,190 males and 82,030 females).[2]
The administrative centre is at Pagelaran, and the district is sub-divided into the urban community (kelurahan) of Padasuka and ten villages (desa), all sharing the postcode of 16610. Their areas and the estimated populations as at mid 2024, are set out below:[2]
Kode Wilayah
Name of Desa
Area in km2
Population mid 2024 estimate
32.01.29.2009
Kota Baru
2.74
25,184
32.01.29.2001
Mekarjaya
0.86
9,996
32.01.29.2004
Parakan
1.36
11,801
32.01.29.2005
Ciomas (town)
1.07
14,677
32.01.29.2006
Pagelaran
2.03
22,163
32.01.29.2007
Sukamakmur
1.82
13,513
32.01.29.2008
Ciapus
1.16
15,127
32.01.29.2002
Sukaharja
1.73
8,217
32.01.29.1003
Padasuka
1.13
18,641
32.01.29.2011
Ciomas Rahayu
0.88
13,279
32.01.29.2010
Laladon
1.29
13,622
32.01.29
Totals
16.32
166,220
Geography
Ciomas is located to the west of Cisadane (the Sadane River), with waterways like Cisindangbarang (the Sindangbarang River) and Cikarti (the Karti River) flowing through it. Its average elevation is 222 metres above sea level.[4]
History
During the Dutch colonial period, this area was named Land Tjiomas after Tjiomas River that used to flow through it. In 1886, local farmers launched the Ciomas Peasant Rebellion (Indonesian: Pemberontakan Petani Ciomas) to revolt against landlords and the Dutch colonial government, culminating in the murder of the then Ciomas sub-district head, Haji Abdurrachim.[5] The incident resulted in the death of about 40 people, and left 70 others injured.[6]
Following the Independence of Indonesia, Ciomas became part of Buitenzorg Kawedanan (today's Bogor Regency). Until 1992, Ciomas remained as a district with 40 villages and an area of 100.85 square kilometres.[7] However, from 1992 to 2001, Ciomas experienced reductions in its area and population due to three separate changes in its administrative boundaries:
In 1992, 15 villages in the west of the district were transferred to form the new Dramaga District (kecamatan);[8]
In 1995, 6 villages in the east of the district were transferred to the city municipality of Bogor;[9]
In 2001, 8 villages in the south of the district were transferred to form the new Tamansari District (kecamatan).[10]
Climate
Ciomas has a Tropical Rainforest Climate (Af). It sees the most amount of rainfall in November, with an average of 347mm of precipitation; and the least amount of rainfall in August, with 104mm of precipitation.
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Indonesia