Bantahajam is a village in Silli tehsil in district of Ranchi, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Bantahajam was 8,677 which includes 4,396 males and 4,281 females. Bantahajam covers 2364 ha area. Pincode of Bantahajam is 835102.