Banmahuldiha is a village in Ghatgaon tehsil in district of Kendujhar, Odisha, India. As per the data provided by Census of India in 2011, total population of Banmahuldiha was 986 which includes 473 males and 513 females. Banmahuldiha covers 601 ha area. Pincode of Banmahuldiha is 758030.