Marapparai is a village in Tiruchengode tehsil in district of Namakkal, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Marapparai was 5,424 which includes 2,757 males and 2,667 females. Marapparai covers 1326.08 ha area. Pincode of Marapparai is 637410.