| Name: | United States |
| Area: | 9 629 091 km2 |
| Capital: | Washington |
| Population: | 310 232 863 |
| Language: | U.s. English, Spanish, Hawaiian, French |
| Competitors: | 37 |
| Camille BAKER | 2009 |
| Ethan BARNES | 2008 |
| Benjamin BERGQUIST | 2009 |
| David BUCHER | 2009 |
| Carter CABOOT | 2008 |
| Isabella CAINE | 2009 |
| Anna CASHION | 2009 |
| Benjamin CIACCIO | 2007 |
| Brynn COLLINS | 2007 |
| Finn CONNELL | 2007 |
| Charlotte CONROE | 2007 |
| Henry DAVIS | 2007 |
| Kenley EDWARDS | 2008 |
| Leo JOHNSON | 2007 |
| Wesley JOHNSON | 2009 |
| Sebastian KAUFFMAN | 2008 |
| Connor KITCHING | 2007 |
| Aaron LARSEN | 2007 |
| Ryan LEE | 2007 |
| Graham LEITH | 2008 |
| Reagan LILES | 2007 |
| Andrew MAO | 2008 |
| Kenidee NARVAIZ | 2008 |
| Soren OGLE | 2008 |
| Johanna PAYNE | 2009 |
| Kyle PETERSON | 2008 |
| Jackson PETRIE | 2007 |
| Ashley PLATT | 2009 |
| Kate POWELL | 2008 |
| Sam RHODES | 2008 |
| Zoe RICE | 2009 |
| Connor ROWLAND | 2009 |
| Ellie SCOGGINS | 2007 |
| Thomas SUN | 2009 |
| Malia TERRY-VOISARD | 2009 |
| Ellenora TSONG | 2007 |
| Ben WATTERS | 2009 |