Balthi Narhar 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 Balthi Narhar was 1,483 which includes 819 males and 664 females. Balthi Narhar covers 177.4 ha area. Pincode of Balthi Narhar is N/A.