In 2008, 273 incorporated municipalities had populations over 100,000, nine cities had more than one million residents, and four global cities had over two million (New York, Los Angeles, Chicago, and Houston).
Më 2006, 254 vendbanime të rregullta kishin mbi 100 mijë banorë, nëntë qytetet ishin milionëshe dhe katër qytete botërore kishin mbi 2 milion banorë (New York, Los Angeles, Chicago dhe Houston).