Court services were moved from the Historic Courthouse to the Blue Earth County Justice Center, located at 401 Carver Rd, Mankato, Minnesota in 2009.

[2] According to local Welsh-language poet James D. Price, whose Bardic name was "Ap Dewi", the first Eisteddfod held in Mankato took place at the Blue Earth County Courthouse on January 1, 1873.

[3] By the mid 1800s, the county commissioners felt that the previous buildings were a "disgrace and gave strangers that we were behind the times.

"[2] At this time, there was a debate on whether to relocate the county seat to Garden City or have it remain in Mankato.

The new building, designed by Minneapolis architects Haley & Allen, combined a Second Empire roof and dome with Italianate features.