Odaikkarai is a village in Tiruvadanai tehsil in district of Ramanathapuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Odaikkarai was 394 which includes 175 males and 219 females. Odaikkarai covers 402.25 ha area. Pincode of Odaikkarai is 623401.