Minnesota constitution
Article I
Section 4

The right of trial by jury shall remain inviolate, and shall extend to all cases at law without regard to the amount in controversy. A jury trial may be waived by the parties in all cases in the manner prescribed by law. The legislature may provide that the agreement of five-sixths of a jury in a civil action or proceeding, after not less than six hours' deliberation, is a sufficient verdict. The legislature may provide for the number of jurors in a civil action or proceeding, provided that a jury have at least six members.