Irumoolai is a village in Thiruvidaimarudur tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Irumoolai was 1,350 which includes 654 males and 696 females. Irumoolai covers 298.24 ha area. Pincode of Irumoolai is 609807.