Garaingaon is a village in Bachhwara tehsil in district of Begusarai, Bihar, India. As per the data provided by Census of India in 2011, total population of Garaingaon was 1,025 which includes 537 males and 488 females. Garaingaon covers 43 ha area. Pincode of Garaingaon is 851111.