Iowa vs. South Dakota
Iowa and South Dakota have 8 meetings on file, the first in 1917; Iowa leads the series 8–0 in the games on file. Over the last 8 meetings it’s Iowa 8–0, and Iowa has won the last 8. Share
- Iowa wins
- 8
- South Dakota wins
- 0
- Ties
- 0
- Earliest on file
- 1917
- Longest streak
- 8 Iowa
- Current streak
- 8 Iowa
- Last 10 meetings
- Iowa 8–0
- Most recent
- 1940
The series at a glance
| ’0 | ’1 | ’2 | ’3 | ’4 | ’5 | ’6 | ’7 | ’8 | ’9 | W–L | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1910s | 2–0 | ||||||||||
| 1920s | 1–0 | ||||||||||
| 1930s | 4–0 | ||||||||||
| 1940s | 1–0 |
- Average margin
- 32.4 points; 0 decided by one score (8 or fewer)
- At Iowa
- 8–0 Iowa’s record at home
- Shutouts
- 5
Every meeting on file, as played. Ranks are the AP poll’s going in.
Games that tell the story
- Iowa’s biggest win1940: Iowa 46, South Dakota 0by 46 points
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.
From the newspapers

1917 · Rock Island Argus, Rock Island, Ill., Nov 12, 1917

1919 · Evening public ledger, Philadelphia [Pa.], Nov 3, 1919

1928 · The Daily Alaska empire, Alaska, Nov 5, 1928

1940 · The Wilmington morning star, North Carolina, Oct 6, 1940
Public-domain newspapers from the Library of Congress’s Chronicling America, found through the American Stories dataset (Dell and Harvard, CC BY 4.0). The earliest meetings with a story on file; each game’s page has the full text.
Every game
| Oct 5, 1940 | Iowa 46, South Dakota 0 | at Iowa | ||
| Sep 30, 1939 | Iowa 41, South Dakota 0 | at Iowa | ||
| Oct 10, 1936 | Iowa 33, South Dakota 7 | at Iowa | ||
| Oct 5, 1935 | Iowa 47, South Dakota 2 | at Iowa | ||
| Sep 29, 1934 | Iowa 34, South Dakota 0 | at Iowa | ||
| Nov 3, 1928 | Iowa 19, South Dakota 0 | at Iowa | ||
| Nov 1, 1919 | Iowa 26, South Dakota 13 | at Iowa | ||
| Nov 10, 1917 | Iowa 35, South Dakota 0 | at Iowa |
Every game is listed as played on the field.