Karasghat is a village in Sidhwalia tehsil in district of Gopalganj, Bihar, India. As per the data provided by Census of India in 2011, total population of Karasghat was 4,418 which includes 2,219 males and 2,199 females. Karasghat covers 401 ha area. Pincode of Karasghat is 841423.