Thenkurissi I is a village in Alathur tehsil in district of Palakkad, Kerala, India. As per the data provided by Census of India in 2011, total population of Thenkurissi I was 14,429 which includes 7,048 males and 7,381 females. Thenkurissi I covers 1324 ha area. Pincode of Thenkurissi I is 678671.