Poonasar is a village in Fatehgarh tehsil in district of Jaisalmer, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Poonasar was 210 which includes 107 males and 103 females. Poonasar covers 431.94 ha area. Pincode of Poonasar is 345027.