Korathur Ukkadai is a village in Peravurani tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Korathur Ukkadai was 21 which includes 9 males and 12 females. Korathur Ukkadai covers 110.66 ha area. Pincode of Korathur Ukkadai is 614804.