Garthaulia is a village in Khalilabad tehsil in district of Sant Kabir Nagar, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Garthaulia was 2,047 which includes 1,070 males and 977 females. Garthaulia covers 525.21 ha area. Pincode of Garthaulia is N/A.