Madavoor 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 Madavoor was 21,118 which includes 9,790 males and 11,328 females. Madavoor covers 1871 ha area. Pincode of Madavoor is 695602.