| 2024 | Willamette University Salem, Oregon |
| 2023 | Eastern Washington University Spokane, Washington |
| 2022 | Portland Community College Portland, Oregon |
| 2021 | Saint Martin's University Lacey, Washington |
| 2020 | North Idaho College Coeur d'Alene, Idaho |
| 2019 | Pacific University Forest Grove, Oregon |
| 2018 | University of Washington, Bothel Bothel, Washington |
| 2017 | Washington State University, Tri-Cities Richland, Washington |
| 2016 | Lewis & Clark College Portland, Oregon |
| 2015 | Seattle Pacific University Seattle, Washington |
| 2014 | Gonzaga University Spokane, Washington |
| 2013 | Pacific University Forest Grove, Oregon |
| 2012 | The Evergreen State College Olympia, Washington |
| 2011 | Washington State University, Tri-Cities Richland, Washington |
| 2010 | George Fox University Newberg, Oregon |
| 2009 | Pacific Lutheran University Tacoma, Washington |
| 2008 | Southern Oregon University Ashland, Oregon |
| 2007 | Linfield College McMinville, Oregon |
| 2006 | Eastern Washington University Cheney, Washington |
| 2005 | University of Washington, Bothel Bothel, Washington |
| 2004 | Willamette University Salem, Oregon |
| 2003 | Central Washington University Ellensburg, Oregon |
| 2002 | Seattle Pacific University Seattle, Washington |
| 2001 | Pacific Lutheran University Tacoma, Washington |
| 2000 | The Oregon Graduate Institute of Science & Technology Beaverton, Oregon |
| 1999 | Gonzaga University Spokane, Washington |