Barwenagar is a village in Chainpur tehsil in district of Gumla, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Barwenagar was 1,330 which includes 664 males and 666 females. Barwenagar covers 1101.87 ha area. Pincode of Barwenagar is 835206.