Sonar Chak is a village in Rajmahal tehsil in district of Sahibganj, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Sonar Chak was 172 which includes 85 males and 87 females. Sonar Chak covers 45 ha area. Pincode of Sonar Chak is 816129.