| # | Name | |
|---|---|---|
| 1 |
Mason City |
416 |
| 2 |
Mason City |
342 |
| 3 |
Mason City |
337 |
| 4 |
Waterloo East |
298 |
| 5 |
Waterloo East |
283 |
| 6 |
Mason City |
252 |
| 7 |
Waterloo East |
243 |
| 8 |
Mason City |
226 |
| 9 |
Mason City |
220 |
| 10 |
Waterloo East |
144 |