Colorado State vs San Diego State
Colorado State15series38 meetings
23San Diego State
San Diego State leads the series.
| Season | Site | Result | Score | |
|---|---|---|---|---|
| 2025 | San Diego State win | San Diego | L | 24-45 |
| 2023 | Colorado State win | Fort Collins | W | 22-19 |
| 2020 | San Diego State win | San Diego | L | 17-29 |
| 2019 | San Diego State win | Fort Collins | L | 10-24 |
| 2016 | Colorado State win | San Diego | W | 63-31 |
| 2015 | San Diego State win | Fort Collins | L | 17-41 |
| 2012 | San Diego State win | San Diego | L | 14-38 |
| 2011 | San Diego State win | Fort Collins | L | 15-18 |
| 2010 | San Diego State win | San Diego | L | 19-24 |
| 2009 | San Diego State win | Fort Collins | L | 28-42 |
| 2008 | Colorado State win | San Diego | W | 38-34 |
| 2007 | San Diego State win | Not recorded | L | 20-24 |
| 2006 | San Diego State win | Not recorded | L | 6-17 |
| 2005 | San Diego State win | Not recorded | L | 10-30 |
| 2004 | Colorado State win | Not recorded | W | 21-17 |
| 2003 | Colorado State win | Not recorded | W | 21-6 |
| 2002 | Colorado State win | Not recorded | W | 49-21 |
| 2001 | San Diego State win | Not recorded | L | 7-14 |
| 2000 | Colorado State win | Not recorded | W | 34-22 |
| 1999 | San Diego State win | Not recorded | L | 10-17 |
| 1997 | Colorado State win | Not recorded | W | 38-17 |
| 1996 | Colorado State win | Not recorded | W | 27-18 |
| 1995 | Colorado State win | Not recorded | W | 24-13 |
| 1994 | Colorado State win | Not recorded | W | 19-17 |
| 1993 | San Diego State win | Not recorded | L | 3-30 |
| 1992 | San Diego State win | Not recorded | L | 13-20 |
| 1991 | San Diego State win | Not recorded | L | 32-42 |
| 1988 | Colorado State win | Not recorded | W | 13-7 |
| 1987 | San Diego State win | Not recorded | L | 12-26 |
| 1986 | San Diego State win | Not recorded | L | 26-27 |
| 1985 | San Diego State win | Not recorded | L | 23-48 |
| 1984 | San Diego State win | Not recorded | L | 24-41 |
| 1983 | Colorado State win | Not recorded | W | 17-15 |
| 1982 | San Diego State win | Not recorded | L | 10-38 |
| 1981 | San Diego State win | Not recorded | L | 14-30 |
| 1980 | Colorado State win | Not recorded | W | 26-7 |
| 1979 | Colorado State win | Not recorded | W | 37-3 |
| 1978 | San Diego State win | Not recorded | L | 31-34 |
The head-to-head series, every meeting on record since 1978.
See the Colorado State vs San Diego State rivalry breakdown for by-decade splits, trends and the next meeting.
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Frequently asked questions
What is the all-time record between Colorado State and San Diego State?
Colorado State is 15-23 against San Diego State across 38 meetings on record since 1978. San Diego State leads the series.
When did Colorado State last play San Diego State?
They last met in 2025, a 24-45 loss for Colorado State.