What is the Population of Puerto Rico?

The estimated total population of Puerto Rico, as of 2007, was 3,994,259. The population is broken down into percentages as follows: 76.2% White (mostly Spanish origin), 6.9% Black, 0.3% Asian, 0.2% Amerindian, 4.4% Mixed, 12% other. (2007). Puerto Rico’s population ranks 127th in the world and 27th in the United States.