| July 3, 1890 26 Stat. 215 | Congress organized Idaho as one judicial district, authorized one judgeship for the U.S. District Court, and assigned the district to the Ninth Circuit. |
| February 10, 1954 68 Stat. 8 | One additional judgeship authorized. |
Authorized Judgeships
1890 | 1 |
1954 | 2 |