Cal Poly vs. Idaho State
Cal Poly and Idaho State have 14 meetings on file, the first in 2003; Cal Poly leads the series 8–6 in the games on file. Over the last 10 meetings it’s even at 5–5. Share
- Cal Poly wins
- 8
- Idaho State wins
- 6
- Ties
- 0
- Earliest on file
- 2003
- Longest streak
- 4 Cal Poly
- Current streak
- 1 Cal Poly
- Last 10 meetings
- even at 5–5
- Most recent
- 2026
The series at a glance
- Average margin
- 13.8 points; 6 decided by one score (8 or fewer)
- At Cal Poly
- 5–1 Cal Poly’s record at home
- At Idaho State
- 4–3 Idaho State’s record at home
- Neutral sites
- 0–1 Cal Poly first
Every meeting on file, as played. Ranks are the AP poll’s going in.
Games that tell the story
- Cal Poly’s biggest win2008: Cal Poly 49, Idaho State 10by 39 points
- Idaho State’s biggest win2025: Idaho State 27, Cal Poly 17by 10 points
- Upset2026: Cal Poly 25, Idaho State 24Cal Poly had a 25% chance, by our ratings before kickoff
Both programs through the years
Our Elo rating at the end of each season, a measure of how strong a team was, not a forecast; 1500 is an average FBS team.
Every game
| Oct 10, 2026 | Cal Poly 25, Idaho State 24 | at Idaho State | ||
| Nov 8, 2025 | Idaho State 27, Cal Poly 17 | at Idaho State | ||
| Oct 5, 2024 | Idaho State 41, Cal Poly 38 | at Cal Poly | ||
| Oct 15, 2022 | Idaho State 40, Cal Poly 31 | at Idaho State | ||
| Nov 13, 2021 | Cal Poly 32, Idaho State 29 | at Cal Poly | ||
| Nov 10, 2018 | Cal Poly 37, Idaho State 14 | at Cal Poly | ||
| Sep 30, 2017 | Idaho State 38, Cal Poly 34 | at Idaho State | ||
| Oct 3, 2015 | Cal Poly 58, Idaho State 26 | at Cal Poly | ||
| Nov 8, 2014 | Idaho State 30, Cal Poly 28 | at Idaho State | ||
| Nov 1, 2008 | Cal Poly 49, Idaho State 10 | at Cal Poly | ||
| Oct 27, 2007 | Cal Poly 48, Idaho State 28 | at Idaho State | ||
| Nov 19, 2005 | Cal Poly 35, Idaho State 10 | at Cal Poly | ||
| Sep 11, 2004 | Cal Poly 35, Idaho State 20 | at Idaho State | ||
| Nov 15, 2003 | Idaho State 38, Cal Poly 31 | Mustang Stadium |
Every game is listed as played on the field.