Garhkaushik is a village in Sagri tehsil in district of Azamgarh, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Garhkaushik was 425 which includes 213 males and 212 females. Garhkaushik covers 79.15 ha area. Pincode of Garhkaushik is N/A.