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Illinois State vs. South Dakota

Illinois State and South Dakota have 11 meetings on file, the first in 2011; Illinois State leads the series 9–⁠2 in the games on file. Over the last 10 meetings it’s Illinois State 8–⁠2, and Illinois State has won the last 3.

Illinois State wins
9
South Dakota wins
2
Ties
0
Earliest on file
2011
Longest streak
5 Illinois State
Current streak
3 Illinois State
Last 10 meetings
Illinois State 8–⁠2
Most recent
2025

The series at a glance

’0’1’2’3’4’5’6’7’8’9W–L
2010s6–⁠1
2020s3–⁠1
Average margin
13.5 points; 6 decided by one score (8 or fewer)
At Illinois State
5–⁠1 Illinois State’s record at home
At South Dakota
1–⁠4 South Dakota’s record at home
Shutouts
1

Every meeting on file, as played. Ranks are the AP poll’s going in.

Games that tell the story

  1. Illinois State’s biggest win2015: Illinois State 46, South Dakota 0by 46 points
  2. South Dakota’s biggest win2020: South Dakota 27, Illinois State 20by 7 points
  3. Upset2021: Illinois State 20, South Dakota 14Illinois State had a 27% chance, by our ratings before kickoff
  4. Upset2020: South Dakota 27, Illinois State 20South Dakota had a 31% chance, by our ratings before kickoff
  5. Upset2025: Illinois State 21, South Dakota 13Illinois State had a 34% chance, by our ratings before kickoff

Both programs through the years

End-of-season Elo ratings of Illinois State and South Dakota, 2011 on130015001700201520202025

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

Nov 21, 2026South Dakota at Illinois State upcomingat Illinois State
Oct 25, 2025Illinois State 21, South Dakota 13at South Dakota
Oct 15, 2022Illinois State 12, South Dakota 10at Illinois State
Oct 23, 2021Illinois State 20, South Dakota 14at South Dakota
Feb 27, 2021South Dakota 27, Illinois State 20at Illinois State
Oct 21, 2017Illinois State 37, South Dakota 21at Illinois State
Oct 22, 2016South Dakota 27, Illinois State 24at South Dakota
Nov 21, 2015Illinois State 46, South Dakota 0at Illinois State
Nov 15, 2014Illinois State 45, South Dakota 26at South Dakota
Oct 26, 2013Illinois State 28, South Dakota 14at Illinois State
Sep 29, 2012Illinois State 34, South Dakota 31at South Dakota
Oct 15, 2011Illinois State 28, South Dakota 3at Illinois State

Every game is listed as played on the field.