Kamar Khair is a village in Gangarampur tehsil in district of Dakshin Dinajpur, West Bengal, India. As per the data provided by Census of India in 2011, total population of Kamar Khair was 581 which includes 304 males and 277 females. Kamar Khair covers 137.14 ha area. Pincode of Kamar Khair is 733124.