Bainisar is a village in Sridungargarh tehsil in district of Bikaner, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Bainisar was 2,718 which includes 1,381 males and 1,337 females. Bainisar covers 4004.65 ha area. Pincode of Bainisar is 331811.