Cilegon facts for kids
Quick facts for kids
Cilegon
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City
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| City of Cilegon Kota Cilegon |
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| Name transcription(s) | |||
| • Sundanese | ᮎᮤᮜᮨᮌᮧᮔ᮪ | ||
View of Cilegon from the Java Sea
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| Nickname(s):
Steel City
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| Motto(s):
Akur Sedulur Jujur Adil Makmur
(Get along with fellows; honest, fair, and prosperous) |
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Location within Banten
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 Cilegon
Location in Java
Cilegon
Location in Indonesia
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| Country |  Indonesia |
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| Region | Java | ||
| Province |  Banten |
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| Administrative City | 1987 | ||
| Municipality | 27 April 1999 | ||
| City | 4 September 1999 | ||
| Area | |||
| • Total | 162.51 km2 (62.75 sq mi) | ||
| Population
(mid 2023 estimate)
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| • Total | 450,507 | ||
| • Density | 2,772.18/km2 (7,179.91/sq mi) | ||
| Time zone | UTC+7 (Indonesia Western Time) | ||
| Postcodes |
42400
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| Area code | (+62) 254 | ||
Cilegon (Indonesian: Kota Cilegon, Sundanese: ᮎᮤᮜᮨᮌᮧᮔ᮪) is a major coastal industrial city in Banten province, Indonesia, covering 162.51 km2 (62.75 sq mi). It is located on the island of Java. The city had a population of 374,464 at the 2010 Census and 434,896 at the 2020 Census; the official estimate as at mid 2023 was 450,507 - comprising 228,360 males and 222,150 females.
Among the factories located in Cilegon are Krakatau Steel Company, a vital company in Indonesia, which produces steel for industrial (domestic and foreign) needs, and Asahimas Chemical Company. The other name for Cilegon is "Steel City" since the city is the largest steel producer in Southeast Asia, about 6 million tons of steel produced each year in the Industrial Area Krakatau Steel, Cilegon. Additionally Cilegon is one of the vital state objects. This is because in this town there is a wide range of other vital objects such as the Merak Harbour, Krakatau Steel Industrial Zone (including the PT. Krakatau Steel Tbk, Asahimas, Siemens, KS - POSCO joint venture, Chandra Asri, and Pertamina), PLTU Suralaya, Power plant Krakatau, Krakatau Tirta Industrial Water Treatment Plant, The Sunda Strait Bridge Construction (Lot Plan) & Sunda Strait Industrial Zones.
Contents
Geography
Cilegon is located on the most northwest coast of Java island, at the mouth of the Cilegon River on Ciwandan Bay, which is an inlet of the Sunda Strait. It is administratively a semi-enclave within Serang Regency, as it borders with Serang Regency in the east and south, while it borders with Sunda Strait in the north and west.
Administrative districts
The City of Cilegon is divided into eight districts (kecamatan), tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates as at mid 2023. The table also includes the locations of the district administrative centres, the number of administrative villages (all classed as urban kelurahan) in each district, and its postal codes.
| Kode Wilayah |
of District (kecamatan) |
Area in km2 |
Pop'n Census 2010 |
Pop'n Census 2020 |
Pop'n Estimate mid 2023 |
Admin centre |
No. of villages |
Post codes |
|---|---|---|---|---|---|---|---|---|
| 36.72.04 | Ciwandan | 33.33 | 42,921 | 50,058 | 51,220 | Tegal Ratu | 6 | 42441 - 42447 |
| 36.72.08 | Citangkil | 25.90 | 65,073 | 79,903 | 84,220 | Kebonsari | 7 | 42441 - 42444 |
| 36.72.03 | Pulomerak (a) | 25.70 | 43,060 | 48,373 | 49,690 | Lebak Gede | 4 | 42431 - 42439 |
| 36.72.07 | Purwakarta | 16.60 | 38,479 | 42,658 | 43,650 | Purwakarta | 6 | 42431 - 42437 |
| 36.72.06 | Grogol | 23.71 | 38,538 | 42,442 | 43,340 | Rawa Arum | 4 | 42436 - 42438 |
| 36.72.02 | Cilegon (district) | 8.21 | 39,465 | 46,327 | 48,200 | Ciwaduk | 5 | 42415 - 42419 |
| 36.72.05 | Jombang | 10.31 | 60,415 | 65,431 | 66,500 | Jombang Wetan | 5 | 42411 - 42416 |
| 36.72.01 | Cibeber | 18.80 | 46,608 | 59,704 | 63,710 | Kalitimbang | 6 | 42422 - 42427 |
| Totals | 162.51 | 374,464 | 434,896 | 450,507 | 43 |
Notes: (a) including 5 small offshore islands.
Climate
Cilegon has a hot and humid climate near the boundary between tropical rainforest (Af) and tropical monsoon climate (Am) according to the Köppen climate classification system. Despite being located relatively close to the equator, the city has distinct wet and dry seasons. The wet season in Cilegon covers the majority of the year, running from October through May. The remaining four months forms the city's dry season. Located in the most western part of Java, Cilegon's wet season rainfall peak is January with average monthly rainfall of 319 millimetres (12.6 in), and its dry season low point is August with a monthly average of 71 millimetres (2.8 in).
| Climate data for Cilegon | |||||||||||||
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| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | 30.6 (87.1) |
31.1 (88.0) |
31.6 (88.9) |
32.2 (90.0) |
32.5 (90.5) |
32.4 (90.3) |
32.4 (90.3) |
32.4 (90.3) |
32.8 (91.0) |
33.0 (91.4) |
32.6 (90.7) |
31.8 (89.2) |
32.1 (89.8) |
| Daily mean °C (°F) | 26.6 (79.9) |
26.9 (80.4) |
27.2 (81.0) |
27.5 (81.5) |
27.7 (81.9) |
27.4 (81.3) |
27.1 (80.8) |
27.0 (80.6) |
27.4 (81.3) |
27.8 (82.0) |
27.7 (81.9) |
27.4 (81.3) |
27.3 (81.2) |
| Mean daily minimum °C (°F) | 22.7 (72.9) |
22.8 (73.0) |
22.8 (73.0) |
22.9 (73.2) |
23.0 (73.4) |
22.4 (72.3) |
21.9 (71.4) |
21.7 (71.1) |
22.1 (71.8) |
22.6 (72.7) |
22.9 (73.2) |
23.0 (73.4) |
22.6 (72.6) |
| Average rainfall mm (inches) | 319 (12.6) |
269 (10.6) |
209 (8.2) |
157 (6.2) |
129 (5.1) |
94 (3.7) |
80 (3.1) |
71 (2.8) |
73 (2.9) |
116 (4.6) |
169 (6.7) |
240 (9.4) |
1,926 (75.9) |
| Source: Climate-Data.org | |||||||||||||
Demographics
From 1991 to 2005 the population of Cilegon grew 47.18%, an average of 2.66% per year.
Cilegon is the fourth largest city in Banten. The high population growth rate of Cilegon is primarily caused by migrants entering the city.
Religious discrimination
In 2019 there are 382 mosques and 287 musallas in Cilegon, without any churches, Hindu temples, or Buddhist viharas, even though there are 6,740 Protestants, 1,743 Catholics, 215 Hindus, 215 Buddhists, and 7 Confucians in the city. A proposal to build a Batak Protestant Christian Church in Cilegon was rejected by local residents, which forces religious services to be conducted in Serang City.
Media
Newspaper
- Radar Banten (Jawa Pos)
Radio
- 91.8 Top FM Cilegon
- 95.3 FM Banten Radio
- 96.9 FM Sam Radio
- 102.0 Cilegon Mandiri FM (Siaran Pemda)
- 105.2 Cilegon Pass FM
- 107.7 Gema Suara Tercinta
- 107.9 Flash Radio FM
Education
- SMP Negeri 1
- SMPIT Raudhatul Jannah Cilegon
