Thiruvananthapuram's 2026 population is now estimated at 3,156,950. In 1950, the population of Thiruvananthapuram was 224,131. Thiruvananthapuram has grown by 84,420 in the last year, which represents a 2.75% 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 Thiruvananthapuram, which typically includes Thiruvananthapuram's population in addition to adjacent suburban areas.