Chhithi Hanuman Nagar is a village in Saraigarh Bhaptiyahi tehsil in district of Supaul, Bihar, India. As per the data provided by Census of India in 2011, total population of Chhithi Hanuman Nagar was 10,865 which includes 5,568 males and 5,297 females. Chhithi Hanuman Nagar covers 780 ha area. Pincode of Chhithi Hanuman Nagar is 852215.