Sathiyakudi is a village in Kilvelur tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sathiyakudi was 1,945 which includes 958 males and 987 females. Sathiyakudi covers 493.48 ha area. Pincode of Sathiyakudi is 611109.