| 2026-06-28 | State capital in the Treasure Valley |
| 2022-04-06 | State capital in the so-called "Treasure Valley" |
| 2021-10-29 | Capital near the old Oregon Trail |
| 2021-05-14 | U.S. city that's home to the largest Basque population outside Spain |
| 2019-03-30 | Capital known as the City of Trees |
| 2017-10-06 | City on the Oregon Trail |
| 2017-03-19 | Western capital |
| 2016-03-09 | Place where you need an ID to get mail? |
| 2014-03-30 | ___ State (Mountain West Conference team) |
| 2012-12-17 | Idaho's capital |
| 2012-12-04 | Idaho's capital |
| 2012-04-09 | Capital of Idaho |
| 2011-08-28 | State capital whose name comes from the French for "wooded area" |
| 2009-08-15 | Snake feeder |
| 2008-05-01 | Oregon Trail fort |
| 2007-04-15 | Capital nicknamed "City of Trees" |
| 2001-07-01 | Oregon Trail city |
| 2001-03-25 | City of Trees |
| 1999-08-31 | Gem State capital |
| 1998-06-16 | Capital NW of Twin Falls |
| 1998-04-03 | Oregon Trail fort |
| 1997-07-20 | City on the Oregon Trail |
| 1997-04-09 | State capital or its river |
| 1996-09-07 | Arrowrock Dam's river |
| 1996-05-25 | Idaho river |
| 1994-05-10 | Idaho city |
| 1993-12-31 | Fort on the Oregon Trail |