Kari Sath 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 Kari Sath was 6,137 which includes 3,149 males and 2,988 females. Kari Sath covers 635 ha area. Pincode of Kari Sath is 802157.