 The University of Trinidad and Tobago has several campuses and institutes in the greater Port of Spain area including 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 reflects two centuries of immigration and this shows in the architecture of its buildings.