List of United States cities by population density

Columns: Rank | Metropolitan area | Principal city | 10,000+ places | Densest incorporated place | Density
1 | New York City | New York City | 55 | Guttenberg | 56,012.0 | 2 | Greater Los Angeles Area | Los Angeles | 27 | Maywood | 23,887.2 | 3 | Delaware Valley | Philadelphia | 13 | Millbourne | 16,557.1 | 4 | Miami metropolitan area | Miami | 7 | North Bay Village | 20,267.1 | 5 | Greater Boston | Boston | 7 | Somerville | 18,868.1 | 6 | Chicago Metropolitan Area | Chicago | 7 | Stone Park | 15,378.2 | 7 | San Francisco Bay Area | San Francisco / San Jose | 6 | San Francisco | 17,246.4 | 8 | Washington Metropolitan Area | Washington , D.C | 3 | Mount Rainier | 13,038.5

Example questions:
How many boroughs make up the main city of the densest metropolitan area of the USA ? | What is the highest altitude in the main city of the second densest metropolitan area of the USA ? | Which river is the site of the main city of the eighth densest metropolitan area of the USA ? | What is the moniker of the main city of the fourth densest metropolitan area of the USA ? | How many annual tourists see Faneuil Hall in the main city of the fifth densest metropolitan area of the USA ?

Answers:
boroughs | 10,000 feet | Potomac River | Capital of Latin America | more than 20 million