Deosar is a village in Chhaygaon tehsil in district of Kamrup, Assam, India. As per the data provided by Census of India in 2011, total population of Deosar was 2,841 which includes 1,427 males and 1,414 females. Deosar covers 567.15 ha area. Pincode of Deosar is 781123.