Dharmasamudram is a village in Udayarpalayam tehsil in district of Ariyalur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Dharmasamudram was 386 which includes 197 males and 189 females. Dharmasamudram covers 277.89 ha area. Pincode of Dharmasamudram is 612903.