It operates 210 branches in Washington, Oregon, Idaho, Nevada, Utah, Arizona, New Mexico, California, and Texas.

[1] It is on the list of largest banks in the United States.

In 1958, it merged with Washington Federal Savings and Loan Association of Bothell.

The bank took the name Washington Federal for "wider geographical acceptance".

The bank demutualized in 1982 and the present holding company structure was adopted in 1995.