Location: Bloomington, Indiana ▪ Colors: Cream & Crimson
Stadium: Memorial Stadium (cap. 52,180)
Record*: 114 Years, 428-613-38, .414 W-L% (Major School)
*W-L-T adjusted to 429-612-38 by NCAA.
Conferences: Big Ten, Western and Ind
Conference Champion: 2 Times
Bowls: 9 Bowls, 3-6, .333 W-L% (Major Bowls)
Ranked in AP Poll: 2 Times (Preseason), 5 Times (Final), 55 Weeks (Total)
| Rk | Year | Wk | Date | Rk | Prev | Chng |
|---|---|---|---|---|---|---|
| 1 | 1994 | 5 | 1994-09-20 | 25 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 2 | 1993 | 10 | 1993-10-26 | 23 | |
|
| 3 | 1993 | 11 | 1993-11-02 | 17 | 23 | 6 |
| 4 | 1993 | 12 | 1993-11-09 | 19 | 17 | 2 |
| 5 | 1993 | 13 | 1993-11-16 | 21 | 19 | 2 |
| 6 | 1993 | 14 | 1993-11-23 | 21 | 21 | NC |
| 7 | 1993 | 15 | 1993-11-30 | 21 | 21 | NC |
| 8 | 1993 | 16 | 1993-12-07 | 21 | 21 | NC |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 9 | 1991 | 11 | 1991-11-04 | 25 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 10 | 1990 | 7 | 1990-10-09 | 22 | |
|
| 11 | 1990 | 8 | 1990-10-16 | 20 | 22 | 2 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 12 | 1988 | 8 | 1988-10-11 | 18 | |
|
| 13 | 1988 | 9 | 1988-10-18 | 14 | 18 | 4 |
| 14 | 1988 | 11 | 1988-11-01 | 20 | |
|
| 15 | 1988 | 17 | Final | 20 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 16 | 1987 | 7 | 1987-10-13 | 20 | |
|
| 17 | 1987 | 8 | 1987-10-20 | 15 | 20 | 5 |
| 18 | 1987 | 9 | 1987-10-27 | 11 | 15 | 4 |
| 19 | 1987 | 10 | 1987-11-03 | 18 | 11 | 7 |
| 20 | 1987 | 11 | 1987-11-10 | 16 | 18 | 2 |
| 21 | 1987 | 12 | 1987-11-17 | 20 | 16 | 4 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 22 | 1979 | 15 | Final | 19 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 23 | 1969 | 1 | Preseason | 14 | NA | — |
| 24 | 1969 | 2 | 1969-09-22 | 10 | 14 | 4 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 25 | 1968 | 1 | Preseason | 13 | NA | — |
| 26 | 1968 | 2 | 1968-09-16 | 15 | 13 | 2 |
| 27 | 1968 | 3 | 1968-09-23 | 13 | 15 | 2 |
| 28 | 1968 | 6 | 1968-10-14 | 19 | |
|
| 29 | 1968 | 10 | 1968-11-11 | 19 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 30 | 1967 | 7 | 1967-10-23 | 10 | |
|
| 31 | 1967 | 8 | 1967-10-30 | 7 | 10 | 3 |
| 32 | 1967 | 9 | 1967-11-06 | 6 | 7 | 1 |
| 33 | 1967 | 10 | 1967-11-13 | 5 | 6 | 1 |
| 34 | 1967 | 12 | Final | 4 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 35 | 1950 | 5 | 1950-10-23 | 19 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 36 | 1948 | 1 | 1948-10-04 | 17 | NA | — |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 37 | 1946 | 2 | 1946-10-14 | 18 | |
|
| 38 | 1946 | 4 | 1946-10-28 | 20 | |
|
| 39 | 1946 | 9 | Final | 20 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 40 | 1945 | 1 | 1945-10-08 | 8 | NA | — |
| 41 | 1945 | 2 | 1945-10-15 | 8 | 8 | NC |
| 42 | 1945 | 3 | 1945-10-22 | 8 | 8 | NC |
| 43 | 1945 | 4 | 1945-10-29 | 5 | 8 | 3 |
| 44 | 1945 | 5 | 1945-11-05 | 6 | 5 | 1 |
| 45 | 1945 | 6 | 1945-11-12 | 4 | 6 | 2 |
| 46 | 1945 | 7 | 1945-11-19 | 4 | 4 | NC |
| 47 | 1945 | 8 | 1945-11-26 | 4 | 4 | NC |
| 48 | 1945 | 9 | Final | 4 | 4 | NC |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 49 | 1944 | 1 | 1944-10-09 | 19 | NA | — |
| 50 | 1944 | 2 | 1944-10-16 | 20 | 19 | 1 |
| 51 | 1944 | 3 | 1944-10-23 | 17 | 20 | 3 |
| 52 | 1944 | 4 | 1944-10-30 | 15 | 17 | 2 |
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 53 | 1942 | 6 | 1942-11-16 | 18 | |
|
| Rk | Year | Wk | Date | Rk | Prev | Chng |
| 54 | 1937 | 4 | 1937-11-08 | 17 | |
|
| 55 | 1937 | 5 | 1937-11-15 | 20 | 17 | 3 |