North America million, though Cuba, Dominican Republic, Haiti, Puerto Rico (a territory of the United States), Jamaica, and Trinidad and Tobago each have populations higher than a million. Greenland has a small population of 55,984 for its massive size (2,166,000 km² or 836,300 mi²), and therefore, it has the world's lowest population density at 0.026 pop./km² (0.067 pop./mi²). While the United States, Canada, and Mexico maintain the largest populations, large city populations are not restricted to those nations. There are also large cities in the Caribbean. The largest cities in North America, by far, are Mexico City and New York. These cities
Demographics of New York City Indians, Dominicans, Chinese, Irish, Russian, and German. The Puerto Rican population of New York City is the largest outside Puerto Rico. The New York City metropolitan area is also home to the largest Italian population in North America and the third largest Italian population outside of Italy. Italians emigrated to the city in large numbers in the early 20th century, establishing several "Little Italies". The Irish also have a notable presence, along with Germans. New York City has a high degree of income variation. In 2005 the median household income in the highest census tract was reported to be $188,697,