Harnath Kundi is a village in Udwant Nagar tehsil in district of Bhojpur, Bihar, India. As per the data provided by Census of India in 2011, total population of Harnath Kundi was 1,013 which includes 556 males and 457 females. Harnath Kundi covers 109 ha area. Pincode of Harnath Kundi is 802162.