Pirnagra is a village in Beldaur tehsil in district of Khagaria, Bihar, India. As per the data provided by Census of India in 2011, total population of Pirnagra was 12,749 which includes 6,610 males and 6,139 females. Pirnagra covers 1168 ha area. Pincode of Pirnagra is 852161.