| Pop. in millions | Largest City | Answer | % Correct |
|---|---|---|---|
| 55.5 | Chicago / Toronto | Great Lakes | 93%
|
| 52.3 | New York City | Northeast | 92%
|
| 19.7 | Houston / Dallas | Texas Triangle | 92%
|
| 24.4 | Los Angeles | Southern California | 86%
|
| 17.3 | Miami | Florida | 85%
|
| 12.4 | Seattle | Cascadia (PNW) | 80%
|
| 14 | San Jose / Bay Area | Northern California | 80%
|
| 5.6 | Phoenix | Arizona Sun Corridor | 69%
|
| 13.4 | Houston | Gulf Coast | 56%
|
| 5.5 | Denver | Front Range | 54%
|
| 17.6 | Atlanta | Piedmont Atlantic (PAM) | 47%
|
| 2.7 | Calgary | Alberta Corridor | 37%
|
| 18.4 | Toronto | Quebec–Windsor Corridor | 25%
|
| 11 | León | Bajío | 3%
|