Kusma Bazar is a village in Barhait tehsil in district of Sahibganj, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Kusma Bazar was 448 which includes 222 males and 226 females. Kusma Bazar covers 7.09 ha area. Pincode of Kusma Bazar is 816102.