Barkagaon is a village in Itarhi tehsil in district of Buxar, Bihar, India. As per the data provided by Census of India in 2011, total population of Barkagaon was 6,077 which includes 3,178 males and 2,899 females. Barkagaon covers 468.3 ha area. Pincode of Barkagaon is 802123.