Gopinathpur Sioria is a village in Saraiya tehsil in district of Muzaffarpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Gopinathpur Sioria was 3,081 which includes 1,626 males and 1,455 females. Gopinathpur Sioria covers 263.73 ha area. Pincode of Gopinathpur Sioria is N/A.