Nanchong's 2025 population is now estimated at 1,444,820. In 1950, the population of Nanchong was 156,507. Nanchong has grown by 32,110 in the last year, which represents a 2.27% 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 Nanchong, which typically includes Nanchong's population in addition to adjacent suburban areas.