Jilong's 2025 population is now estimated at 371,454. In 1950, the population of Jilong was 174,172. Jilong has grown by 1,149 in the last year, which represents a 0.31% 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 Jilong, which typically includes Jilong's population in addition to adjacent suburban areas.