Arumanallur is a village in Papanasam tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Arumanallur was 566 which includes 276 males and 290 females. Arumanallur covers 101.84 ha area. Pincode of Arumanallur is 613201.