Kajnau Kalan is a village in Bhopalgarh tehsil in district of Jodhpur, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Kajnau Kalan was 2,287 which includes 1,149 males and 1,138 females. Kajnau Kalan covers 2214.4 ha area. Pincode of Kajnau Kalan is 342037.