Irumathur 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 Irumathur was 5,493 which includes 2,822 males and 2,671 females. Irumathur covers 1329.3 ha area. Pincode of Irumathur is 635201.