Port of Spain had a local campus enrollment of 15,571 in academic year 2007/2008. The University of Trinidad and Tobago has several campuses and institutes in the greater Port of Spain area including the research based Natural Gas Institute of the Americas and the Chaguaramas Centre for Maritime Studies. Port of Spain has a population of 18,008 males and 19,066 females, with 5,694 businesses and is home to 12,333 households with an average size of 2.9 according to the 2011 census. The city experienced an average annual growth rate of −2.3% between the censuses of 2000 and 2011 Port of Spain's diverse population
Port of Spain have been preserved in Port of Spain. Many of them are referred to as squares or parks. Although some of the Squares have retained some of their "original framework" which consists of lengths of metal placed in concrete, which surround the exterior of the space, with each Square having at least four gates. These gates are positioned on the corners so as to allow the main paths of the Square to form an X. Some of the Squares have not retained nor do they give the appearance of having had the lengths of metal placed on its exterior points as