Northwest League Past Champions
NORTHWEST LEAGUE CHAMPIONS
| YEAR | CHAMPION | RUNNER-UP | FINALS |
|---|---|---|---|
| 1955 | Eugene Emeralds | Salem Senators | 4-2 |
| 1956 | Yakima Bears | ||
| 1957 | Wenatchee Chiefs | Eugene Emeralds | 4-3 |
| 1958 | Yakima Bears | Lewiston Broncs | 4-1 |
| 1959 | Yakima Bears | Salem Senators | 4-1 |
| 1960 | Yakima Bears | ||
| 1961 | Lewiston Broncs | Yakima Bears | 4-1 |
| 1962 | Wenatchee Chiefs | Tri-City Braves | 4-2 |
| 1963 | Yakima Bears | Lewiston Broncs | 3-1 |
| 1964 | Yakima Bears | Eugene Emeralds | 3-0 |
| 1965 | Tri-City Atoms | Lewiston Broncs | 3-0 |
| 1966 | Tri-City Atoms | ||
| 1967 | Medford Giants | ||
| 1968 | Tri-City Atoms | ||
| 1969 | Rogue Valley Dodgers | ||
| 1970 | Lewiston Broncs | ||
| 1971 | Tri-City Padres | ||
| 1972 | Lewiston Broncs | ||
| 1973 | Lewiston Broncs | ||
| 1974 | Eugene Emeralds | Bellingham Dodgers | 2-1 |
| 1975 | Eugene Emeralds | Portland Mavericks | 2-0 |
| 1976 | Walla Walla Padres | Portland Mavericks | 2-1 |
| 1977 | Bellingham Mariners | Portland Mavericks | 2-1 |
| 1978 | Grays Harbor Loggers | Eugene Emeralds | 1-0 |
| 1979 | Central Oregon Phillies | Walla Walla Padres | 2-1 |
| 1980 | Bellingham Mariners | 1-1 | |
| Eugene Emeralds | |||
| 1981 | Medford Athletics | Bellingham Mariners | 2-1 |
| 1982 | Salem Angels | Medford Athletics | 2-0 |
| 1983 | Medford Athletics | Bellingham Mariners | 2-0 |
| 1984 | Tri-Cities Triplets | Medford Athletics | 1-0 |
| 1985 | Everett Giants | Eugene Emeralds | 1-0 |
| 1986 | Bellingham Mariners | Eugene Emeralds | 1-0 |
| 1987 | Spokane Indians | Everett Giants | 2-1 |
| 1988 | Spokane Indians | Southern Oregon Athletics | 2-1 |
| 1989 | Spokane Indians | Southern Oregon Athletics | 2-1 |
| 1990 | Spokane Indians | Boise Hawks | 2-1 |
| 1991 | Boise Hawks | Yakima Bears | 2-0 |
| 1992 | Bellingham Mariners | Bend Rockies | 2-0 |
| 1993 | Boise Hawks | Bellingham Mariners | 2-0 |
| 1994 | Boise Hawks | Yakima Bears | 2-1 |
| 1995 | Boise Hawks | Bellingham Giants | 2-1 |
| 1996 | Yakima Bears | Eugene Emeralds | 2-0 |
| 1997 | Portland Rockies | Boise Hawks | 3-2 |
| 1998 | Salem-Keizer Volcanoes | Boise Hawks | 3-0 |
| 1999 | Spokane Indians | Portland Rockies | 3-0 |
| 2000 | Yakima Bears | Eugene Emeralds | 3-2 |
| 2001 | Salem-Keizer Volcanoes | Boise Hawks | 3-0 |
| 2002 | Boise Hawks | Everett AquaSox | 3-0 |
| 2003 | Spokane Indians | Salem-Keizer Volcanoes | 3-0 |
| 2004 | Boise Hawks | Vancouver Canadians | 3-0 |
| 2005 | Spokane Indians | Vancouver Canadians | 3-2 |
| 2006 | Salem-Keizer Volcanoes | Boise Hawks | 3-1 |
| 2007 | Salem-Keizer Volcanoes | Tri-City Dust Devils | 3-1 |
| 2008 | Spokane Indians | Salem-Keizer Volcanoes | 3-1 |
| 2009 | Salem-Keizer Volcanoes | Tri-City Dust Devils | 3-1 |
| 2010 | Everett AquaSox | Spokane Indians | 2-1 |
| 2011 | Vancouver Canadians | Tri-City Dust Devils | 2-1 |
| 2012 | Vancouver Canadians | Boise Hawks | 2-1 |
| 2013 | Vancouver Canadians | Boise Hawks | 2-1 |
| 2014 | Hillsboro Hops | Vancouver Canadians | 2-0 |
| 2015 | Hillsboro Hops | Tri-City Dust Devils | 2-1 |
| 2016 | Eugene Emeralds | Everett AquaSox | 2-1 |
| 2017 | Vancouver Canadians | Eugene Emeralds | 3-1 |
| 2018 | Eugene Emeralds | Spokane Indians | 3-0 |