Cagayan de Oro, officially known as the City of Cagayan de Oro (CDO), is a highly urbanized city located in the Northern Mindanao region of the Philippines. It serves as a major population center within the region.
According to the 2024 census, the city has a population of 741,617 people. This figure makes it the most populous city in Northern Mindanao and ranks as the 10th most populous city in the Philippines.