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.