Gamhirpur Sonbarsa is a village in Warisaliganj tehsil in district of Nawada, Bihar, India. As per the data provided by Census of India in 2011, total population of Gamhirpur Sonbarsa was 2,141 which includes 1,165 males and 976 females. Gamhirpur Sonbarsa covers 87 ha area. Pincode of Gamhirpur Sonbarsa is N/A.