Nonthaburi's 2021 population is now estimated at 975,497. In 1950, the population of Nonthaburi was 3,679. Nonthaburi has grown by 12,803 since 2015, which represents a 1.33% 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 Nonthaburi, which typically includes Nonthaburi's population in addition to adjacent suburban areas.