Ongallur-I is a census town in the Palakkad district, state of Kerala, India. It forms a part of Ongallur gram panchayat.
As of 2011 Indian census, Ongallur-I had 16,998 people with 8,310 males and 8,688 females.
3 .https://www.citypopulation.de/php/india-kerala.php?adm2id=3206