Sewa Nagar 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 Sewa Nagar was 353 which includes 188 males and 165 females. Sewa Nagar covers 153 ha area. Pincode of Sewa Nagar is 333042.