Bokaro Steel City's 2021 population is now estimated at 642,145. In 1950, the population of Bokaro Steel City was 5,334. Bokaro Steel City has grown by 8,594 since 2015, which represents a 1.36% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Bokaro Steel City, which typically includes Bokaro Steel City's population in addition to adjacent suburban areas.