Kolasar is a village in Sujangarh tehsil in district of Churu, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Kolasar was 2,770 which includes 1,398 males and 1,372 females. Kolasar covers 631.28 ha area. Pincode of Kolasar is 331507.