Sonmanipahar is a village in Barhait tehsil in district of Sahibganj, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Sonmanipahar was 177 which includes 91 males and 86 females. Sonmanipahar covers 169.95 ha area. Pincode of Sonmanipahar is 816109.