Khangaon is a village in Pandaul tehsil in district of Madhubani, Bihar, India. As per the data provided by Census of India in 2011, total population of Khangaon was 3,527 which includes 1,824 males and 1,703 females. Khangaon covers 267.48 ha area. Pincode of Khangaon is 847236.