Kanjharua is a village in Dumraon tehsil in district of Buxar, Bihar, India. As per the data provided by Census of India in 2011, total population of Kanjharua was 2,099 which includes 1,055 males and 1,044 females. Kanjharua covers 229.4 ha area. Pincode of Kanjharua is 802126.