Gadka Margaon is a village in Pauri tehsil in district of Garhwal, Uttarakhand, India. As per the data provided by Census of India in 2011, total population of Gadka Margaon was 428 which includes 209 males and 219 females. Gadka Margaon covers 39.38 ha area. Pincode of Gadka Margaon is 246166.