The former Isanti County Courthouse, located at 237 2nd Avenue, South West, corner of Birch Street, in Cambridge, Minnesota, United States, is an historic two-story redbrick county courthouse built in 1888. Today it is known as Court House Square and has been remodeled into a private office building.On July 24, 1980, it was added to the National Register of Historic Places.The current county courthouse is located at 555 18th Avenue, South West.
