Valladolid's 2025 population is now estimated at 300,977. In 1950, the population of Valladolid was 123,788. Valladolid experienced a decrease of -169 residents over the past year, marking an annual decline of -0.06%. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects . These estimates represent the Urban agglomeration of Valladolid, which typically includes Valladolid's population in addition to adjacent suburban areas.