As of 2011[update] India census, Kothagiri town Panchayat has population of 28,207 of which 13,607 are males while 14,600 are females as per report released by Census India 2011. Population of Children with age of 0-6 is 2340 which is 8.30% of total population of Kotagiri (TP). In Kotagiri Town Panchayat, Female Sex Ratio is of 1073 against state average of 996. Moreover Child Sex Ratio in Kotagiri is around 945 compared to Tamil Nadu state average of 943. Literacy rate of Kotagiri city is 86.79% higher than state average of 80.09%. In Kotagiri, Male literacy is around 93.55% while female literacy rate is 80.57%. Majority of people speak Tamil (தமிழ்) as their first language.