Sithanakudi is a village in Needamangalam tehsil in district of Thiruvarur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sithanakudi was 1,908 which includes 968 males and 940 females. Sithanakudi covers 318.78 ha area. Pincode of Sithanakudi is 610102.