The Providence metropolitan area is a region extending into eight counties in two states, and is the 37th largest metropolitan area in the United States. Anchored by the city of Providence, Rhode Island, it has an estimated population of 1,622,520, exceeding that of Rhode Island by slightly over 60%. The area covers almost all of Rhode Island. 38 of the 39 municipalities in the state are included. Only Westerly is not. The Providence Metropolitan Statistical Area also extends into southern Massachusetts with an average population density of 2300 per mi² (888 per km²). Its Gross Metropolitan Product is the country's 42nd largest at $64.7 billion, just above the Gross State Product of the entire state of Hawaii.