Khangaon is a village in Koilwar tehsil in district of Bhojpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Khangaon was 10,711 which includes 5,617 males and 5,094 females. Khangaon covers 1123 ha area. Pincode of Khangaon is 802161.