Madhopur Sundar is a village in Dumri Katsari tehsil in district of Sheohar, Bihar, India. As per the data provided by Census of India in 2011, total population of Madhopur Sundar was 1,770 which includes 943 males and 827 females. Madhopur Sundar covers 129 ha area. Pincode of Madhopur Sundar is 843329.