Karumalai is a village in Manapparai tehsil in district of Tiruchirappalli, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Karumalai was 3,255 which includes 1,647 males and 1,608 females. Karumalai covers 961.76 ha area. Pincode of Karumalai is 621314.