Due to the Great Depression, the 1931 season did not finish and the league folded. The St. Louis Stars had best record among league members and were declared the champions.
| TEAM | W | L | Pct | GB | ||
 | St. Louis | 37 | 10 | .781 | - | |
 | Kansas City | 18 | 7 | .720 | 8.0 | |
 | Elite Giants | 23 | 22 | .511 | 13.0 | |
 | Indianapolis | 30 | 30 | .500 | 13.5 | |
 | Detroit | 25 | 33 | .431 | 17.5 | |
 | Louisville | 24 | 33 | .422 | 18.0 | |
 | Chi. American | 6 | 17 | .271 | 19.0 |