Rajasar Karnisar is a village in Lunkaransar tehsil in district of Bikaner, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Rajasar Karnisar was 3,351 which includes 1,736 males and 1,615 females. Rajasar Karnisar covers 5216 ha area. Pincode of Rajasar Karnisar is 334602.