Daye's 2025 population is now estimated at 647,250. In 1950, the population of Daye was 2,741. Daye has grown by 12,586 in the last year, which represents a 1.98% 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 Daye, which typically includes Daye's population in addition to adjacent suburban areas.