Karjapatti is a village in Keotiranway tehsil in district of Darbhanga, Bihar, India. As per the data provided by Census of India in 2011, total population of Karjapatti was 5,559 which includes 2,946 males and 2,613 females. Karjapatti covers 283 ha area. Pincode of Karjapatti is 847306.