Athimanam is a village in Maduranthakam tehsil in district of Kancheepuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Athimanam was 850 which includes 411 males and 439 females. Athimanam covers 170.71 ha area. Pincode of Athimanam is 603308.