Illinois State vs. South Dakota State
Illinois State and South Dakota State have 14 meetings on file, the first in 2008; South Dakota State leads the series 8–6 in the games on file. Over the last 10 meetings it’s South Dakota State 6–4. Share
- Illinois State wins
- 6
- South Dakota State wins
- 8
- Ties
- 0
- Earliest on file
- 2008
- Longest streak
- 3 Illinois State
- Current streak
- 1 South Dakota State
- Last 10 meetings
- South Dakota State 6–4
- Most recent
- 2026
The series at a glance
- Average margin
- 15.9 points; 3 decided by one score (8 or fewer)
- At Illinois State
- 3–4 Illinois State’s record at home
- At South Dakota State
- 2–2 South Dakota State’s record at home
- Neutral sites
- 1–2 Illinois State first
Every meeting on file, as played. Ranks are the AP poll’s going in.
Games that tell the story
- Illinois State’s biggest win2014: Illinois State 45, South Dakota State 10by 35 points
- South Dakota State’s biggest win2008: South Dakota State 52, Illinois State 21by 31 points
- Upset2019: Illinois State 27, South Dakota State 18Illinois State 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 3, 2026 | South Dakota State 31, Illinois State 14 | at Illinois State | ||
| Nov 15, 2025 | Illinois State 35, South Dakota State 21 | at South Dakota State | ||
| Oct 7, 2023 | South Dakota State 40, Illinois State 21 | at Illinois State | ||
| Nov 12, 2022 | South Dakota State 31, Illinois State 7 | at South Dakota State | ||
| Nov 9, 2019 | Illinois State 27, South Dakota State 18 | at South Dakota State | ||
| Oct 27, 2018 | South Dakota State 38, Illinois State 28 | at Illinois State | ||
| Nov 11, 2017 | South Dakota State 27, Illinois State 24 | at South Dakota State | ||
| Oct 29, 2016 | Illinois State 38, South Dakota State 21 | at Illinois State | ||
| Nov 7, 2015 | South Dakota State 25, Illinois State 20 | Coughlin-Alumni Stadium | ||
| Oct 4, 2014 | Illinois State 45, South Dakota State 10 | at Illinois State | ||
| Sep 24, 2011 | Illinois State 20, South Dakota State 13 | at Illinois State | ||
| Sep 18, 2010 | Illinois State 24, South Dakota State 14 | Coughlin-Alumni Stadium | ||
| Sep 26, 2009 | South Dakota State 38, Illinois State 17 | at Illinois State | ||
| Nov 8, 2008 | South Dakota State 52, Illinois State 21 | Coughlin-Alumni Stadium |
Every game is listed as played on the field.