Krishnamarajakuppam is a village in Pallipattu tehsil in district of Thiruvallur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Krishnamarajakuppam was 2,563 which includes 1,292 males and 1,271 females. Krishnamarajakuppam covers 523.55 ha area. Pincode of Krishnamarajakuppam is 631202.