Alanallur I is a village in Mannarkad tehsil in district of Palakkad, Kerala, India. As per the data provided by Census of India in 2011, total population of Alanallur I was 18,332 which includes 8,843 males and 9,489 females. Alanallur I covers 1405 ha area. Pincode of Alanallur I is 678601.