Shahpur Pirthipatti 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 Shahpur Pirthipatti was 11,009 which includes 5,623 males and 5,386 females. Shahpur Pirthipatti covers 937 ha area. Pincode of Shahpur Pirthipatti is 852111.