Thalavoi is a village in Sendurai tehsil in district of Ariyalur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thalavoi was 2,691 which includes 1,309 males and 1,382 females. Thalavoi covers 868.17 ha area. Pincode of Thalavoi is 621730.