Thiruvadathanur is a village in THANDRAMPET tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Thiruvadathanur was 2,306 which includes 1,087 males and 1,219 females. Thiruvadathanur covers 689.4 ha area. Pincode of Thiruvadathanur is 606708.