Thandamaraikadu is a village in Pattukkottai tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thandamaraikadu was 131 which includes 64 males and 67 females. Thandamaraikadu covers 78.34 ha area. Pincode of Thandamaraikadu is 614801.