Nagalassery is a village in Ottappalam tehsil in district of Palakkad, Kerala, India. As per the data provided by Census of India in 2011, total population of Nagalassery was 27,606 which includes 13,168 males and 14,438 females. Nagalassery covers 2620 ha area. Pincode of Nagalassery is 679533.