| Northern | ||||||||||||||
| Rk | Team | Affiliate | W | L | Pct | Gbl | RF | RA | Manager | Stadium | Attendance | Top Batter | Top Pitcher | Playoffs |
| 1 | Waterloo Indians | CLE | 81 | 54 | .600 | -- | 706 | 618 | Cal Emery | Municipal Stadium | 70,196 | Dave Hudgens (2) | Robin Fuson (7) | Lost in Finals |
| 2 | Wausau Timbers | - | 69 | 61 | .531 | 9.5 | 806 | 597 | Tom Robson | Athletic Park | 43,059 | David Stockstill (1) | Tom Owens (6) | Lost in Semi-Finals |
| 3 | Appleton Foxes | CHW | 63 | 72 | .467 | 18.0 | 681 | 699 | Jim Breazeale | Goodland Field | 72,011 | David Daniels (20) | Kevin Hickey (26) | |
| 4 | Wisconsin Rapids Twins | MIN | 60 | 72 | .455 | 19.5 | 655 | 645 | Rick Stelmaszek | Witter Field | 41,239 | Antonio Lopez (11) | Michael Ungs (8) | |
| Southern | ||||||||||||||
| Rk | Team | Affiliate | W | L | Pct | Gbl | RF | RA | Manager | Stadium | Attendance | Top Batter | Top Pitcher | Playoffs |
| 1 | Quad Cities Cubs ** | CHC | 77 | 56 | .579 | -- | 666 | 570 | Jim Napier | John O'Donnell Stadium | 89,256 | Joe Hicks (3) | Steve Viskas (2) | League Champions |
| 2 | Clinton Dodgers | LAD | 74 | 59 | .556 | 3.0 | 632 | 568 | Dick McLaughlin | Riverview Stadium | 41,949 | Mitch Webster (4) | Larry Wright (3) | Lost in Semi-Finals |
| 3 | Cedar Rapids Giants | SF | 58 | 78 | .426 | 20.5 | 615 | 737 | Wayne Cato | Veterans Field | 73,206 | Paul Plinski (7) | Jeff Stadler (5) | |
| 4 | Burlington Bees | MIL | 53 | 83 | .390 | 25.5 | 613 | 729 | Duane Espy | Community Field | 55,001 | Stan Davis (10) | Doug Jones (1) | |