Red Rock Bank

Red Rock Bank was established on November 14, 1901, originally operating under the name Sanborn State Bank. Over the years, the institution underwent several name changes, becoming First Security Bank - Sanborn on August 1, 1990, and later Mills Resolute Bank on September 29, 2008. On the same day, the main office was relocated to 100 South Main Street in Sanborn, Minnesota. The bank changed its name to Red Rock Bank on January 22, 2014. After more than a century of operation, Red Rock Bank officially merged with MidCountry Bank on October 1, 2024, and became part of the larger banking institution based in Minneapolis, Minnesota.

Below is a list of some important events in banks history, including mergers and acquisitions.

1901-11-14Institution established. Original name: Sanborn State Bank.

1975-05-05Main Office moved to Main And Center Streets, Sanborn, MN 56083.

1990-08-01Changed Institution Name to First Security Bank - Sanborn.

2008-09-29Changed Institution Name to Mills Resolute Bank.

2008-09-29Main Office moved to 100 S Main St, Sanborn, MN 56083.

2014-01-22Changed Institution Name to Red Rock Bank.

2024-10-01Merged and became part of MidCountry Bank in Minneapolis, MN.