| Population | First letter | County | % Correct |
|---|---|---|---|
| 426,976 | C | Clackamas | 92%
|
| 211,357 | D | Deschutes | 92%
|
| 818,396 | M | Multnomah | 92%
|
| 600,516 | W | Washington | 92%
|
| 17,104 | B | Baker | 85%
|
| 100,192 | B | Benton | 85%
|
| 65,170 | C | Coos | 85%
|
| 23,730 | C | Curry | 85%
|
| 112,786 | D | Douglas | 85%
|
| 223,694 | J | Jackson | 85%
|
| 70,918 | K | Klamath | 85%
|
| 383,101 | L | Lane | 85%
|
| 51,215 | L | Lincoln | 85%
|
| 132,486 | L | Linn | 85%
|
| 348,413 | M | Marion | 85%
|
| 80,370 | U | Umatilla | 85%
|
| 7712 | W | Wallowa | 85%
|
| 26,739 | W | Wasco | 85%
|
| 110,653 | Y | Yamhill | 85%
|
| 41,813 | C | Clatsop | 77%
|
| 54,058 | C | Columbia | 77%
|
| 26,585 | C | Crook | 77%
|
| 2045 | G | Gilliam | 77%
|
| 7555 | H | Harney | 77%
|
| 24,199 | H | Hood River | 77%
|
| 25,417 | J | Jefferson | 77%
|
| 88,126 | J | Josephine | 77%
|
| 8492 | L | Lake | 77%
|
| 32,048 | M | Malheur | 77%
|
| 90,218 | P | Polk | 77%
|
| 27,612 | T | Tillamook | 77%
|
| 12,511 | M | Morrow | 69%
|
| 2003 | S | Sherman | 69%
|
| 26,229 | U | Union | 69%
|
| 1462 | W | Wheeler | 69%
|
| 7193 | G | Grant | 62%
|