Bairnayakkampatty is a village in Harur tehsil in district of Dharmapuri, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Bairnayakkampatty was 5,650 which includes 2,859 males and 2,791 females. Bairnayakkampatty covers 1400.59 ha area. Pincode of Bairnayakkampatty is 636906.