Jonhi Khar is a village in Bhandaria tehsil in district of Garhwa, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Jonhi Khar was 292 which includes 157 males and 135 females. Jonhi Khar covers 307 ha area. Pincode of Jonhi Khar is 822125.