Kala Balua is a village in Raniganj tehsil in district of Araria, Bihar, India. As per the data provided by Census of India in 2011, total population of Kala Balua was 7,698 which includes 4,027 males and 3,671 females. Kala Balua covers 793 ha area. Pincode of Kala Balua is 854201.