| Poll # | Season | Date | Number 1 |
|---|---|---|---|
| 1 | 1949 | January 18 | Saint Louis |
| 50 | 1953 | January 26 | Seton Hall |
| 100 | 1956 | March 5 | San Francisco |
| 150 | 1960 | February 1 | Cincinnati |
| 200 | 1964 | December 9 | Loyola Chicago |
| 250 | 1967 | January 9 | UCLA |
| 300 | 1970 | February 9 | UCLA |
| 350 | 1973 | February 26 | UCLA |
| 400 | 1976 | February 2 | Indiana |
| 450 | 1979 | January 22 | Notre Dame |
| 500 | 1982 | February 8 | Virginia |
| 550 | 1985 | February 4 | St. John's |
| 600 | 1988 | February 8 | Temple |
| 650 | 1991 | January 21 | UNLV |
| 700 | 1994 | December 27 | Arkansas |
| 750 | 1997 | November 25 | Cincinnati |
| 800 | 1999 | March 1 | Duke |
| 850 | 2002 | January 21 | Duke |
| 900 | 2005 | December 6 | Illinois |
| 950 | 2007 | February 26 | Ohio State |
| 1000 | 2010 | January 4 | Kansas |
| 1050 | 2013 | November 12 | Indiana |
| 1100 | 2015 | January 26 | Kentucky |
| 1150 | 2018 | December 4 | Duke |
| 1200 | 2020 | February 17 | Baylor |
| 1250 | 2023 | January 9 | Houston |