South Dakota State appears to have about 714 student-athletes in one recent athletics data source, though another source lists 493 unduplicated athletes and an older campus-life page lists 585.

What that means

The number depends on what is being counted: total rostered participants across sports, unduplicated athletes, or a different year’s reporting method.

For the most direct reading of “how many student athletes,” 714 is the best single figure from the most athletics-specific source I found.

Quick note

If you need the number for a specific year or for NCAA reporting only, the count can change noticeably from one source to another.