Gudapakkam is a village in Poonamallee tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Gudapakkam was 4,892 which includes 2,435 males and 2,457 females. Gudapakkam covers 673.6 ha area. Pincode of Gudapakkam is 600124.