Linhai's 2021 population is now estimated at 732,334. In 1950, the population of Linhai was 12,218. Linhai has grown by 23,353 since 2015, which represents a 3.29% 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 Linhai, which typically includes Linhai's population in addition to adjacent suburban areas.