Question: What were the five largest metropolitan areas in the United States by population in the year 2005.

1. New York-Northern New Jersey-Long Island, NY-NJ-PA (18,747,300)
2. Los Angeles-Long Beach-Santa Ana, CA (12,923,547)
3. Chicago-Naperville-Joliet, IL-IN-WI (9,443,356)
4. Philadelphia-Camden-Wilmington, PA-NJ-DE-MD (5,823,233)
5. Dallas-Fort Worth-Arlington, TX (5,819,475)

Source: U.S. Census Bureau.

:::