This ' panchayat town' has a rich deposit of mineral sand. One of the oldest Mineral Separation Plant of Indian Rare Earths Limited is located here.
As per the Indian Census report of 2001, Manavalakurichi has a population of 10,404.Males and females comprises of an equal proportion of the population. In Manavalakurichi, 11% of the population is less than six years of age. The census report also throws light on the literacy rate of the town, which is 79% higher than the national average literacy rate, which is 59.5%. Out of it, the male literacy rate is 81% and the female literacy rate is 77%.