Wis. Stat. § 60.20: Town board.

(1) Membership. The town board consists of the supervisors of the town. The board shall be designated “Town Board of ....”.

(2) Quorum. Two supervisors constitute a quorum of a 3-member town board, 3 supervisors constitute a quorum of a 4-member or 5-member town board, and 4 supervisors constitute a quorum of a 7-member town board under s. 60.21 (3).

(3) Meetings. Meetings of the town board may be held in the town or in any other town, city or village in the same county or in an adjoining county, subject to subch. V of ch. 19.