Sumaithangi is a village in Wallajah tehsil in district of Vellore, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Sumaithangi was 2,708 which includes 1,321 males and 1,387 females. Sumaithangi covers 698.73 ha area. Pincode of Sumaithangi is 632508.