Jhajhar is a village in Nawalgarh tehsil in district of Jhunjhunun, Rajasthan, India. As per the data provided by Census of India in 2011, total population of Jhajhar was 7,364 which includes 3,667 males and 3,697 females. Jhajhar covers 1321 ha area. Pincode of Jhajhar is 333304.