As of 2001 India census,Chendamangalam had a population of 28,133. Males constitute 48% of the population and females 52%. Chendamangalam has an average literacy rate of 86%, higher than the national average of 59.5%; with male literacy of 87% and female literacy of 85%. 10% of the population is under 6 years of age.
Chendamangalam, Gothuruth, Kottayilkovilakom, Vadakkumpuram, Karimbadam, Kochangady, Kurumbathuruth, Valiya Pazhampilly Thuruth, C P Thuruth, Kizhekkumpuram, Thekkumpuram, Chathedam, Manakodam, Kootukad, Kadalvathuruth, Palathuruth, Kunjvarathurth.