Munnaval Kottai is a village in Needamangalam tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Munnaval Kottai was 3,336 which includes 1,658 males and 1,678 females. Munnaval Kottai covers 615.88 ha area. Pincode of Munnaval Kottai is 614403.