Poigainallur is a village in Arakonam tehsil in district of Vellore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Poigainallur was 1,528 which includes 762 males and 766 females. Poigainallur covers 367.62 ha area. Pincode of Poigainallur is 632052.