Thies's 2026 population is now estimated at 454,659. In 1950, the population of Thies was 30,129. Thies has grown by 15,015 in the last year, which represents a 3.42% 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 Thies, which typically includes Thies's population in addition to adjacent suburban areas.