Thennoor is a village in Nedumangad tehsil in district of Thiruvananthapuram, Kerala, India. As per the data provided by Census of India in 2011, total population of Thennoor was 11,646 which includes 5,378 males and 6,268 females. Thennoor covers 8137 ha area. Pincode of Thennoor is 695563.