Ranka Kalan is a village in Ranka tehsil in district of Garhwa, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Ranka Kalan was 6,735 which includes 3,486 males and 3,249 females. Ranka Kalan covers 504.74 ha area. Pincode of Ranka Kalan is 822125.