Koduvazhannoor is a village in Chirayinkeezhu tehsil in district of Thiruvananthapuram, Kerala, India. As per the data provided by Census of India in 2011, total population of Koduvazhannoor was 10,248 which includes 4,663 males and 5,585 females. Koduvazhannoor covers 808 ha area. Pincode of Koduvazhannoor is 695612.