Mahuanwa is a village in Kuchaikote tehsil in district of Gopalganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Mahuanwa was 3,506 which includes 1,876 males and 1,630 females. Mahuanwa covers 164.72 ha area. Pincode of Mahuanwa is 841505.