Vizhinjam is a village in Neyyattinkara tehsil in district of Thiruvananthapuram, Kerala, India. As per the data provided by Census of India in 2011, total population of Vizhinjam was 20,714 which includes 10,277 males and 10,437 females. Vizhinjam covers 794 ha area. Pincode of Vizhinjam is 695521.