Kadwadih is a village in Majhgaon tehsil in district of Pashchimi Singhbhum, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Kadwadih was 420 which includes 225 males and 195 females. Kadwadih covers 81 ha area. Pincode of Kadwadih is 800134.