| Year | Average | High | High Opponent | Low | Low Opponent |
| 2021 | 9,661 | 12,846 | NDSU | 8,068 | Illinois St. |
| 2020 | 3,345 | 3,638 | South Dakota St. | 3,074 | Missouri St. |
| 2019 | 8,340 | 8,987 | UC Davis | 7,485 | Southern Utah |
| 2018 | 9,336 | 11,157 | Idaho St. | 7,494 | Portland St. |
| 2017 | 10,462 | 12,342 | Montana St. | 8,427 | Eastern Washington |
| 2016 | 9,944 | 11,477 | South Dakota | 8,699 | Weber St. |
| 2015 | 8,318 | 9,865 | Drake | 6,996 | Northern Colorado |
| 2014 | 7,485 | 9,118 | Robert Morris | 5,916 | Northern Arizona |
| 2013 | 8,357 | 10,038 | South Dakota State | 5,984 | Northern Colorado |
| 2012 | 8,962 | 9,742 | Northern Arizona | 7,144 | Southern Utah |
| 2011 | 7,841 | 9,930 | Cal Poly | 6,279 | Sioux Falls |
| 2010 | 8,154 | 10,215 | Southern Utah | 6,238 | Lamar |
| 2009 | 8,539 | 12,431 | South Dakota | 6,711 | Cal Poly |
| 2008 | 10,167 | 12,164 | Western Washington | 7,840 | Southern Utah |
| 2007 | 9,887 | 12,148 | Augustana | 5,370 | Winona St. |
| 2006 | 8,827 | 11,463 | Minnesota St. | 5,073 | Winona St. |
| 2005 | 9,426 | 12,202 | St. Cloud St. | NA | NA |
| 2004 | 9,389 | 11,665 | UM-Duluth | NA | NA |
| 2003 | 9,033 | 12,267 | NDSU | 7,160 | Pittsburg St. |
| 2002 | 9,488 | 11,368 | St. Cloud St. | NA | NA |
| 2001 | 10,024 | 13,500 | NDSU | 6,700 | Winona St. |
| 2000 | 8,658 | 10,402 | UM-Crookston | 4,210 | Central Washington |
| 1999 | 8,710 | 12,465 | NDSU | NA | NA |
