Wis. Stat. § 978.01: Number of district attorneys; election; term.

(1) There shall be 71 district attorneys elected for full terms at the general election held in 2008 and quadrennially thereafter. The regular term of office for each district attorney is 4 years, commencing on the first Monday of January next succeeding his or her election. Each county is a prosecutorial unit and shall elect a district attorney, except that Shawano and Menominee counties form one 2-county prosecutorial unit and shall elect a single district attorney by the combined electorate of the 2 counties.

(2)

(a) Except as provided in par. (b), each district attorney serves on a full-time basis.

(b) A district attorney serves on a part-time basis if his or her prosecutorial unit consists of Buffalo, Florence, or Pepin county.