Located in the continent of the Caribbean, Puerto Rico covers 8,870 square kilometers of land and 4,921 square kilometers of water, making it the 164th largest nation in the world with a total area of 13,791 square kilometers.uerto Rico is a dependant territory of The United States Of America. The population of Puerto Rico is 3,998,905 (2012) and the nation has a density of 451 people per square kilometer. The currency of Puerto Rico is the US Dollar (USD).