Sadanandpur is a village in Saraigarh Bhaptiyahi tehsil in district of Supaul, Bihar, India. As per the data provided by Census of India in 2011, total population of Sadanandpur was 3,382 which includes 1,771 males and 1,611 females. Sadanandpur covers 459 ha area. Pincode of Sadanandpur is 852105.