We are monitoring the Clean Missouri ballot initiative, which includes redistricting reform for the state legislative lines.


How Redistricting Happened in Missouri

The following timeline is a high-level overview outlining major redistricting events and activity in the state of Missouri over the last 10 years.

Congressional Timeline


Census data delivered to Missouri.

Republicans in the state legislature gerrymandered the congressional map after Missouri lost one seat in reapportionment, the process of redistributing Congressional seats after each decennial census.

Democratic Governor Jay Nixon vetoed the gerrymandered map.

The legislature overrode the governor’s veto to put the maps in place.

State Legislature Timeline

The following timeline is a high-level overview outlining major redistricting events and activity in the state of Missouri over the last 10 years.


Census data delivered to Missouri.

Bipartisan commissions met to draw the state legislative lines.

The commissions failed to reach an agreement.

Missouri Supreme Court appointed a new nonpartisan commission, which produced a new state map.


Litigation invalidated the 2011 map for the state Senate.

A new bipartisan commission met and redrew the state Senate map.


Organizers are working to bring a ballot measure that would reform the state legislative redistricting process.

Know the Races that Impact Redistricting

We are watching the Clean Missouri ballot initiative.

1 Know the Decision Makers

Each state is different when it comes to the redistricting process. Knowing who they are and when to vote for them is the key to creating a fairer redistricting process. Both the congressional and state legislative lines in Missouri are drawn by:

  • Governor
  • State Senate
  • State House

2 Know Your State Legislature

Missouri Lower Chamber




4 Vacant seats

Missouri Upper Chamber




1 Vacant seats

4 Vote

Vote for candidates who will unrig the system. We will have a list of candidates we are supporting later in the year.


Primary Election Date: August 7, 2018

General Election Date: November 6, 2018

Learn more about Ballot Initiatives in Missouri

The Clean Missouri ballot initiative aims to provide an equitable redistricting process for Missourans. In November, voters will have the opportunity to vote for an independent redistricting commission that will create fair districts.

Clean Missouri

You can find out more about Clean Missouri by visiting their website.

Learn More

Get Involved in Missouri Today

The fight to fix gerrymandering is right now—and we need your help in Missouri! Here’s what you can do:

Join Organizing for ‘18

The National Democratic Redistricting Committee and Organizing for Action (OFA) launched a partnership to build a more fair democracy by strategically targeting legislative chambers, governorships, and ballot initiatives that will be critical in determining how maps are drawn after the 2020 Census.

Join a Local OFA Chapter

Alongside the National Redistricting Action Fund (an NDRC affiliate), OFA is engaging with activists and volunteers to help educate people about gerrymandering and involve them in the process of fixing a badly rigged political system.

Attend Events Near You

The National Democratic Redistricting Committee and MobilizeAmerica have teamed up to bring you the highest-impact volunteer opportunities in Missouri to help elect Democrats up and down the ticket — and bring an end to Republican gerrymandering.

You can register to vote for the general election in Missouri up until October 10, 2018.

to Vote