Kolgaon Bk is a village in Malegaon tehsil in district of Washim, Maharashtra, India. As per the data provided by Census of India in 2011, total population of Kolgaon Bk was 1,504 which includes 786 males and 718 females. Kolgaon Bk covers 826.18 ha area. Pincode of Kolgaon Bk is N/A.