Brahmakundam is a village in Sankarapuram tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Brahmakundam was 4,713 which includes 2,398 males and 2,315 females. Brahmakundam covers 227.56 ha area. Pincode of Brahmakundam is 605702.