Wisconsin’s Projected 2020 Redistricting Timeline

May 12, 2017

Below is a timeline* of important dates in the process of redrawing the state's legislative and congressional districts based on the 2020 Census. This page is available as a downloadable pdf file.

  • April 1, 2020: Census Day
     
  • November 3, 2020: Last state elections in old districts
     
  • December 31, 2020: Seats in US House apportioned to states
     
  • February 1, 2021: Earliest possible date for census data to be delivered to states
     
  • March 2021: Earliest possible date for counties to receive detailed census data
     
  • April 6, 2021: Last municipal elections in old districts
     
  • March – June 2021: Tentative county board district plans
     
  • April – May 2021: Earliest date for municipalities to create ward plans
     
  • June 2021: Deadline for tentative county board plans
     
  • August – September 2021: Latest possible date for municipal ward plan creation
     
  • September – October 2021: Creation of city aldermanic and final county board districts
     
  • October 2021: Creation of ward database
     
  • November 2021: Earliest ward-based legislative redistricting can begin
     
  • February – March 2022: Legislative and congressional redistricting
     
  • February 15, 2022: First municipal primary in new districts
     
  • March 2022: Deadline for legislative redistricting
     
  • Spring 2022: Any special legislative elections are held in new districts
     
  • April 5, 2022: First municipal general election in new districts
     
  • April 15, 2022: Nomination papers for elections in new districts can begin circulation
     
  • June 1, 2022: Deadline for filing nomination papers for state and federal office
     
  • August 9, 2022: First primary election in new districts
     
  • November 8, 2022: First general election in new districts
     
  • January 3, 2023: First legislature under new districts inaugurated
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*Timeline adapted from Redistricting in Wisconsin by Michael Keane, Legislative Reference Bureau, April 1, 2016.