Umathanadu is a village in Peravurani tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Umathanadu was 3,584 which includes 1,761 males and 1,823 females. Umathanadu covers 830.68 ha area. Pincode of Umathanadu is 614802.