In addition to the current Council Members page, this list details all past (and current) Council Member terms, listed by state, then date.
| IDAHO | |
| Chris Carlson | Apr 8, 1981 - Jan 1984 (left late in 1981) |
| Robert Saxvik | Apr 8, 1981 - Jan 1984; Jan 1984 - Jan 1987; Jan 1987 - Jan 1990; Jan 1990 - Jan 1993; Jan 1993 - Jan 1996 (replaced by Gov. Batt Dec 1994) |
| W. Larry Mills | Nov 4, 1981 - Jan 1984; Jan 1984 - Jan 1987 |
| James A. Goller | Feb 1, 1987 - Jan 1992; Jan 1992 - Jan 1995 (resigned Nov 1992) |
| Jay Webb | Feb 1, 1993 - Jan 15, 1995 (resigned Dec 2, 1994) |
| Andy Brunelle | Dec 2, 1994 - Dec 31, 1994 |
| Todd Maddock | Jan 15, 1995 - Jan 15, 1997 (finished Andy Brunelle’s term); Jan 15, 1997 - Jan 15, 2000 |
| Mike Field | Jan 15, 1995 - Jan 15, 1998; Jan 15, 1998 - May 13, 2001 |
| Jim Kempton | Jan 1, 2001 - Jan 31, 2003; Jan 15, 2003 - Jan 15, 2006; Jan 15, 2006 - Jan 15, 2009 |
| Judi Danielson | May 14, 2001 - Jan 31, 2004; Jan 15, 2004 - Jan 15, 2007 |
| W. Bill Booth | Jan 15, 2007 - Jan 15, 2010; Jan 15, 2010 - Jan 15, 2013; Jan 15, 2013 - Jan 15, 2016; Jan 15, 2016 - Jan 15, 2019 |
| James Yost | Oct 16, 2007 - Jan 15, 2009; Jan 16, 2009 - Jan 15, 2018; Jan 16, 2018 - Jan 15, 2021; Jan 15, 2021 - |
| Jeffery Allen | Feb 19, 2019 - Feb 19, 2021; Feb 19, 2021 - |
| MONTANA (terms are at the pleasure of the Governor) | |
| Keith L. Colbo | Apr 1981 - Jan 1984 |
| Gerald Mueller | Apr 1981 - Jan 1987 |
| Morris Brusett | Jan 1985 - Jan 1989 |
| George Turman | Jan 1987 - Jan 1989 |
| John Brenden | Jan 1989 - Dec 1992 |
| Stan Grace | Jan 1989 - Sep 2001 |
| John Etchart | Jan 1993 - Dec 2000 |
| Leo Giacometto | Jan 2001 - Mar 2002 |
| Ed Bartlett | Oct 2001 - Dec 2004 |
| John Hines | Mar 2002 - Dec 2004 |
| Bruce Measure | Jan 2005 (reappointed in Mar 2009) - Feb 2013 |
| Rhonda Whiting | Jan 2005 (reappointed in Mar 2009, resigned in Jan 2013) |
| Pat Smith | Jan 2013 - Dec 2016 |
| Jennifer Anders | Mar 2013 - Dec 2020 (Pleasure of the Governor) |
| Tim Baker | Jan 2017 - June 2019 |
| Bo Downen | Aug 2019 - Mar 2021 |
| Douglas Grob | Feb 2021 - |
| Mike Milburn | Apr 2021 - |
| OREGON | |
| Leroy Hemmingway | Apr 14, 1981 - Jan 15, 1983; Jan 15, 1983 - Jan 15, 1986 |
| Herb Schwab | Apr 13,1981 - Jan 15, 1984 (left in 1982) |
| Alfred Hampson | Feb 1, 1982 - Jan 15, 1984 |
| Don Godard | Jan 16, 1984 - Jan 15, 1987 |
| Robert Duncan | Jan 16, 1984 - Jan 15, 1989 (left mid - 1988) |
| Norma Paulus | Feb 4, 1987 - Jan 15, 1990 |
| Ted Hallock | June 17,1988 - Jan 15, 1989; Jan 16, 1989 - Jan 15, 1992; Jan 15, 1992 - Jan 15, 1995 (replaced by Gov. Roberts with a term ending Dec 19, 1994) |
| Angus Duncan | Jan 16, 1990 - Jan 15, 1993; Jan 16, 1993 - Jan 15, 1996 (resigned in Sep 1995) |
| Joyce Cohen | Dec 19, 1994 - Jan 15, 1998 |
| John Brogoitti | Sep 16, 1995 - Jan 15,1996; Jan 16, 1996 - Jan 15, 1999; Jan 16, 2000 - Jan 15, 2002 |
| Eric Bloch | Apr 10, 1998 (June 15) - Jan 15, 2001; Jan 16, 2001 - Jan 1, 2003 (left Jan 2003) |
| Gene Derfler | Nov 8, 2002 - Jan 15, 2005 |
| Melinda Eden | Jan 1, 2003; Jan 2004 - Jan 2007; Jan 2007 - Jan 2010 |
| Joan Dukes | Jan 15, 2005 - Jan 15, 2008; Jan 15, 2008 - Jan 15, 2011 (left July 31, 2012) |
| Bill Bradbury | Jan 3, 2010 - Jan 15, 2013; Jan 15, 2013 - Jan 15, 2016 (held position until Jan 15, 2018) |
| Henry Lorenzen | Aug 1, 2012 - Jan 15, 2015; Jan 15, 2015 - Jan 15, 2018 |
| Ted Ferrioli | Jan 16, 2018 - Mar 31, 2021 |
| Richard Devlin | Jan 16, 2018 - Jan 15, 2021; Jan 15, 2021 - Nov 2021 |
| Chuck Sams | Apr 1, 2021 - |
| WASHINGTON | |
| Daniel J. Evans | Apr 26, 1981 - Jan 15, 1984; Jan 15, 1984 - Jan 15, 1987 (left Sep 1983) |
| Charles Collins | Apr 26, 1981 - Jan 15, 1984; Jan 15, 1984 - Jan 15, 1987 (left Jan 1986) |
| Kai N. Lee | Oct 1983 - Jan 15, 1987; Jan 16, 1987 - Jan 15, 1990 (left Nov 20, 1987) |
| Tom Trulove | Jan 31, 1986 - Jan 15, 1989; Jan 9, 1989 - Jan 15, 1992; Jan 15, 1992 - Jan 15, 1995 (replaced by Gov Lowry Feb 28, 1994) |
| R. Ted Bottiger | Nov 2, 1987 - Jan 15, 1990; Jan 15, 1990 - Jan 15, 1993; Jan 15, 1993 - Jan 15, 1996 (retired in Jan 1995) |
| Ken Casavant | Feb 28, 1994 - Jan 15, 1995; Jan 15, 1995 - Jan 15, 1998 (served until June 30, 1998) |
| Mike Kreidler | Jan 15, 1995 - Jan 15, 1996; Jan 15, 1996 - Jan 15, 1999 |
| Tom Karier | July 1, 1998 - Jan 15, 2001; Jan 16, 2001 - Jan 15, 2004; Jan 15, 2004 - Jan 15, 2007; Jan 16, 2007 - Jan 15, 2010; Jan 16, 2010 - Jan 15, 2013; Jan 15, 2013 - Jan 15, 2016; Jan 15, 2016 - Jan 15, 2019 (served until Mar 26, 2019) |
| Frank L. Cassidy, Jr. | Aug 3, 1998 - Jan 15, 1999; Jan 16, 1999 - Jan 15, 2002; Jan 16, 2002 - Jan 15, 2005; Jan 16, 2005 - Jan 15, 2008 |
| Richard K. Wallace | Jan 15, 2008 - July 1, 2011 |
| Phil Rockefeller | July 1, 2011 - Jan 15, 2014; Jan 15, 2014 - Jan 15, 2017 (retired Aug 2016) |
| Guy Norman | Sep 2016 - Jan 16, 2017; Jan 17, 2017 - Jan 15, 2021; Jan 16, 2020 - Jan 15, 2023 |
| Patrick Oshie | Mar 27, 2019 - Jan 15, 2022 |