| people / mi2 | State | % Correct |
|---|---|---|
| 2.0 | Idaho | 96%
|
| 1.7 | Montana | 96%
|
| 1.0 | Wyoming | 96%
|
| 5.2 | Colorado | 92%
|
| 0.4 | Nevada | 92%
|
| 4.6 | North Dakota | 92%
|
| 4.3 | Oregon | 92%
|
| 5.3 | South Dakota | 92%
|
| 3.4 | Utah | 88%
|
| 7.8 | Washington | 85%
|