Sithakkur is a village in Avudayarkoil tehsil in district of Pudukkottai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sithakkur was 735 which includes 370 males and 365 females. Sithakkur covers 414.83 ha area. Pincode of Sithakkur is 622204.