Cherthala's 2021 population is now estimated at 801,264. In 1950, the population of Cherthala was 7,092. Cherthala has grown by 37,129 since 2015, which represents a 4.86% 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 Cherthala, which typically includes Cherthala's population in addition to adjacent suburban areas.