Koi Doban is a village in Kushalgarh tehsil in district of Banswara, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Koi Doban was 831 which includes 396 males and 435 females. Koi Doban covers 117 ha area. Pincode of Koi Doban is 327801.