Idaiyur is a village in Virudhachalam tehsil in district of Cuddalore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Idaiyur was 1,686 which includes 854 males and 832 females. Idaiyur covers 683.84 ha area. Pincode of Idaiyur is 606302.