| 100% | IOWA | 4 | Only state whose entire east and west borders are rivers |
| 74% | IOWA | 4 | Only state whose west and east borders are formed entirely by rivers |
| 56% | IOWA | 4 | Its east and west borders are formed entirely by rivers |
| 41% | ORE | 3 | State whose northern border is the Columbia River (Abbr.) |
| 41% | IOWA | 4 | State whose eastern border is formed by the Mississippi River |
| 36% | TANZANIA | 8 | East African nation whose name is a meld of its two former states, Tanganyika and Zanzibar |
| 35% | IDAHO | 5 | Only state whose seal was designed by a woman |
| 34% | SALEM | 5 | City name in both East and West Coast states |
| 34% | IDAHO | 5 | State whose southern neighbors are Nevada and Utah |
| 34% | OHIO | 4 | State whose northern border is mostly Lake Erie |
| 33% | IDAHO | 5 | Only state whose seal was designed by a woman (Emma Edwards Green, 1891) |
| 33% | IDA | 3 | State whose eastern neighbors are Montana and Wyoming: Abbr. |
| 33% | IDA | 3 | State whose southern neighbors are Nevada and Utah: Abbr. |
| 33% | IOWA | 4 | State whose senators are Chuck Grassley and Joni Ernst |
| 33% | ELBE | 4 | River that formed part of the border between East and West Germany |
| 32% | OHIO | 4 | State that borders West Virginia and Michigan |
| 32% | IOWA | 4 | Its eastern and western borders are formed entirely by rivers |
| 32% | QATAR | 5 | State bordering Saudi Arabia whose capital is Doha |
| 32% | ZAMBEZI | 7 | River that is bordered by Zambia and Zimbabwe |
| 31% | NILE | 4 | River whose tributaries are the Blue and the White |
| 31% | UTAH | 4 | State whose second-biggest city is West Valley City |
| 31% | UCLA | 4 | West Coast college whose colors are blue and gold: Abbr. |
| 31% | BISMARCK | 8 | State capital whose site was visited by Lewis and Clark |
| 31% | KANYE | 5 | Rapper West whose kids are North and Saint |
| 31% | OREGON | 6 | West Coast state whose biggest city is Portland |
| 31% | ORE | 3 | West Coast state whose capital is Salem: Abbr. |
| 30% | UCLA | 4 | West Coast school whose team colors are "true blue" and gold: Abbr. |
| 30% | ORE | 3 | State whose Pac-10 teams are the Ducks and the Beavers: Abbr. |
| 30% | BARBADOS | 8 | Island state in the West Indies whose capital is Bridgetown |
| 30% | ICE | 3 | Vanilla ___ (rapper whose only hits were in 1990 and 1991) |