| Body of Water | Population | City | % Correct |
|---|---|---|---|
| Atlantic Ocean | 8,398,748 | New York City, New York | 99%
|
| Pacific Ocean | 3,990,456 | Los Angeles, California | 96%
|
| Lake Michigan | 2,705,994 | Chicago, Illinois | 95%
|
| Gulf of Mexico | 2,325,502 | Houston, Texas | 92%
|
| Potomac River | 702,455 | Washington, DC | 91%
|
| Delaware River | 1,584,138 | Philadelphia, Pennsylvania | 86%
|
| Puget Sound | 744,955 | Seattle, Washington | 86%
|
| Gulf of Maine | 694,583 | Boston, Massachusetts | 85%
|
| Rio Grande | 682,669 | El Paso, Texas | 84%
|
| Mississippi River | 650,618 | Memphis, Tennessee | 80%
|
| Lake Erie | 383,793 | Cleveland, Ohio | 76%
|
| Missouri River | 491,918 | Kansas City, Missouri | 69%
|
| Allegheny River | 301,048 | Pittsburgh, Pennsylvania | 65%
|
| Lake St. Clair | 672,662 | Detroit, Michigan | 61%
|
| Arkansas River | 400,669 | Tulsa, Oklahoma | 46%
|