Karnaul Nilkanth is a village in Sahebganj tehsil in district of Muzaffarpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Karnaul Nilkanth was 1,211 which includes 638 males and 573 females. Karnaul Nilkanth covers 137 ha area. Pincode of Karnaul Nilkanth is N/A.