Deekshasamudram is a village in Thiruvaiyaru tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Deekshasamudram was 1,819 which includes 897 males and 922 females. Deekshasamudram covers 294.77 ha area. Pincode of Deekshasamudram is 613104.