Sethukkuvaithan is a village in Tiruchendur tehsil in district of Thoothukkudi, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sethukkuvaithan was 2,924 which includes 1,446 males and 1,478 females. Sethukkuvaithan covers 264.43 ha area. Pincode of Sethukkuvaithan is 628207.