Blackhawk Credit Union was formed on June 18th, 1965 with Fisher Body Division of General Motors - Janesville and office employees of UAW Local 95. The first Board of Directors organizational meeting was held September 18, 1965 with 68 people in attendance.


In November 1965, BCU received its first payroll deduction, which was $1,700.00 per week. There were 242 people on payroll deduction employed by Fisher Body. At that time, the loan limit was $220.00.
In October of 1970, 164 S. Academy Street was purchased and became the office for BCU. In September 1973, a branch office in Edgerton was established. In January of 1978, 2704 E. Milwaukee Street was purchased and became BCU's main facility.


In 1980, our Edgerton office burned to the ground. Previous plans had been made to build a new office in Edgerton in 3 years. A temporary location was opened only 3 days after the fire in a remodeled mobile home. Construction started immediately on the new location, and the building was completed exactly three months later.


May 1983, membership expanded to include all of Rock county. The Mortgage Real Estate Department was established in November of 1984.
Also in November of 1984, the Charter expanded to the southern 1/2 of Walworth County and in October of 1987, the Brodhead-Decatur Township and Albany.


In January of 1990, a new full-service office was opened in Delavan, Wisconsin to serve members in that area.
In June of 1994, our new full-service office was opened at 2640 W. Court Street, and this serves as our main facility.
In June of 2002, our multimedia call center was opened at our main office.
In June of 2003, our state of the art Delavan facility was opened on Geneva Street in Delavan.