Jhajhwa is a village in Sidhwalia tehsil in district of Gopalganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Jhajhwa was 2,944 which includes 1,497 males and 1,447 females. Jhajhwa covers 263.19 ha area. Pincode of Jhajhwa is N/A.