Tirunelveli's 2021 population is now estimated at 574,000. In 1950, the population of Tirunelveli was 158,813. Tirunelveli has grown by 8,265 since 2015, which represents a 1.46% 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 Tirunelveli, which typically includes Tirunelveli's population in addition to adjacent suburban areas.