Katahri 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 Katahri was 3,408 which includes 1,793 males and 1,615 females. Katahri covers 292.9 ha area. Pincode of Katahri is N/A.