Chamardih is a village in Sonbhadra Banshi Suryapur tehsil in district of Arwal, Bihar, India. As per the data provided by Census of India in 2011, total population of Chamardih was 2,472 which includes 1,269 males and 1,203 females. Chamardih covers 241 ha area. Pincode of Chamardih is 804421.