Sonasati is a village in Narkatiaganj tehsil in district of Pashchim Champaran, Bihar, India. As per the data provided by Census of India in 2011, total population of Sonasati was 3,968 which includes 2,066 males and 1,902 females. Sonasati covers 361.13 ha area. Pincode of Sonasati is N/A.