No 3 Karna Pur is a village in Jonai tehsil in district of Dhemaji, Assam, India. As per the data provided by Census of India in 2011, total population of No 3 Karna Pur was 43 which includes 17 males and 26 females. No 3 Karna Pur covers 44 ha area. Pincode of No 3 Karna Pur is 787060.