Sithalavai is a village in Krishnarayapuram tehsil in district of Karur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sithalavai was 3,706 which includes 1,859 males and 1,847 females. Sithalavai covers 1816.48 ha area. Pincode of Sithalavai is 639102.