The 42nd Assembly district of Wisconsin is one of 99 districts in the Wisconsin State Assembly. Located in south-central Wisconsin, the district comprises most of the southern half of Columbia County and part of northern Dane County. It includes the cities of Columbus and Lodi, and the villages of Arlington, DeForest, Doylestown, Fall River, Poynette, and Rio, as well as part of the north side of the city of Madison including the Greater Sandburg, American Center, Pumpkin Hollow and Truax neighborhoods. The district also contains Dane County Regional Airport, Madison Area Technical College, and the American Family Insurance corporate headquarters. The district is represented by Democrat Maureen McCarville, since January 2025.
The 42nd Assembly district is located within Wisconsin's 14th Senate district, along with the 40th and 41st Assembly districts.
History The district was created in the 1972 redistricting act (1971 Wisc. Act 304) which first established the numbered district system, replacing the previous system which allocated districts to specific counties. The 42nd district was drawn roughly in line with the boundaries of the previous Outagamie County 1st district (almost all of the city of Appleton).
The 42nd district boundaries have shifted significantly over the various redistrictings of the state, but the location of the district has remained consistent in south-central Wisconsin since the 1983 redistricting.
List of past representatives +List of representatives to the Wisconsin State Assembly from the 42nd districtMemberPartyResidenceCounties representedTerm startTerm endRef.District created Toby Roth Rep. Appleton Outagamie January 1, 1973 January 1, 1979 Rep. January 1, 1979 January 3, 1983 Harvey Stower Dem. Amery Dunn, Burnett, Polk January 3, 1983 January 7, 1985 Rep. Elroy Adams, Columbia, Marquette, Monroe, Sauk, Waushara January 7, 1985 January 5, 1987 Ben Brancel Rep. Douglas January 5, 1987 November 2, 1997 Adams, Columbia, Marquette, Sauk --Vacant-- November 2, 1997 January 20, 1998 Joan Wade Rep. Montello January 20, 1998 September 1, 2001 --Vacant-- September 1, 2001 Jacob Hines Rep. Oxford January 5, 2009 Fred Clark Dem. Baraboo January 5, 2009 January 7, 2013 Keith Ripp Rep. Lodi Columbia, Dane, Dodge, , Green Lake, Marquette January 7, 2013 --Vacant-- June 25, 2018 Jon Plumer Rep. Lodi June 25, 2018 January 6, 2025 Columbia, Dodge, , Green Lake, MarquetteMaureen McCarville Dem.DeForestColumbia, DaneJanuary 6, 2025Current
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