Loonasar is a village in Sardarshahar tehsil in district of Churu, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Loonasar was 2,204 which includes 1,156 males and 1,048 females. Loonasar covers 2363.48 ha area. Pincode of Loonasar is 331411.