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. ==Media==