Mahadeo Dighi is a village in Bahadurganj tehsil in district of Kishanganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Mahadeo Dighi was 4,041 which includes 1,924 males and 2,117 females. Mahadeo Dighi covers 420 ha area. Pincode of Mahadeo Dighi is 855101.