Poonimangadu is a village in Tiruttani tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Poonimangadu was 3,803 which includes 1,865 males and 1,938 females. Poonimangadu covers 1520.66 ha area. Pincode of Poonimangadu is 631212.