Semmangudi is a village in Kumbakonam tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Semmangudi was 3,099 which includes 1,533 males and 1,566 females. Semmangudi covers 511.66 ha area. Pincode of Semmangudi is 612605.