Iowa State League
| Classification | Class D (1904–1907) Independent (1912) |
|---|---|
| Sport | Minor League Baseball |
| First season | 1904 |
| Ceased | 1912 |
| Replaced by | Central Association |
| President | Frank S. Norton (1904-1905) L.S. Peckham (1906-1907) D.M. Conroy (1912) James Williams (1912) |
| No. of teams | 15 |
| Country | United States of America |
| Most titles | 2 Ottumwa Snappers (1904–1905) |
| Related competitions | Southwest Iowa League Illinois–Indiana–Iowa League |
The Iowa State League was a minor league baseball league that played from 1904 to 1907 and again in 1912. The Class D level league had franchises based in Illinois and Iowa. The Ottumwa Snappers franchise won league championships in 1904 and 1905. In 1908, the Iowa State League evolved to become the Central Association.