Barka Manjha is a village in Mairwa tehsil in district of Siwan, Bihar, India. As per the data provided by Census of India in 2011, total population of Barka Manjha was 3,509 which includes 1,623 males and 1,886 females. Barka Manjha covers 383 ha area. Pincode of Barka Manjha is 841243.