Jamgaon is a village in Jagdishpur tehsil in district of Bhagalpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Jamgaon was 3,708 which includes 1,982 males and 1,726 females. Jamgaon covers 77 ha area. Pincode of Jamgaon is 813105.