Wisconsin Statutes Municipalities (Ch. 59 to 68) § 66.0205. Standards to be applied by the circuit court

(1) Isolated village. Area, one-half square mile; resident population, 150.

(2) Isolated city. Area, one square mile; resident population, 1,000; density, at least 500 persons in any one square mile.

(3) Metropolitan village. Area, 2 square miles; resident population, 2,500; density, at least 500 persons in any one square mile.

(4) Metropolitan city. Area, 3 square miles; resident population, 5,000; density, at least 750 persons in any one square mile.

(5) Standards when near 1st, 2nd or 3rd class city. If the proposed boundary of a metropolitan village or city is within 10 miles of the boundary of a 1st class city or 5 miles of a 2nd or 3rd class city, the minimum area requirements are 4 and 6 square miles for villages and cities, respectively.