Missouri 2025 2nd Special Session

Missouri House Bill HB1

Introduced
9/3/25  
Refer
9/4/25  
Report Pass
9/4/25  
Refer
9/5/25  
Report Pass
9/5/25  
Engrossed
9/9/25  
Engrossed
9/10/25  
Refer
9/11/25  
Engrossed
9/10/25  
Report Pass
9/11/25  
Enrolled
9/12/25  
Report Pass
9/11/25  
Passed
9/29/25  
Enrolled
9/12/25  
Passed
9/29/25  

Caption

Creates provisions for redistricting federal congressional seats

Summary

HB 1 is a Missouri congressional redistricting bill. It repeals three existing statutory sections and replaces them with new provisions that redraw the state’s eight congressional districts using 2020 Census geography. The bill updates the statutory references for census-based county, voting district, and block definitions, sets the effective periods for the various district maps, and then lays out the precise county, voting district, and census-block composition of each of Missouri’s eight congressional districts. The bill also directs the Revisor of Statutes to publish a graphical map representation of the official congressional district boundaries as an appendix to the Revised Statutes of Missouri once the new district provisions take effect. In practical terms, the measure changes the legal boundaries used to elect Missouri’s members of the U.S. House of Representatives and supersedes prior congressional district descriptions in state law. The general sentiment reflected in the voting history is supportive but partisan. The bill passed the House on perfection 89-63 and on third reading 90-65, indicating clear majority support but substantial opposition. It then advanced in the Senate on third reading by a narrower 21-11 margin, suggesting the measure remained controversial even as it moved forward. The main point of contention is the redrawing of congressional district lines themselves, which can affect partisan balance, community representation, and the political makeup of Missouri’s congressional delegation. Because the bill specifies detailed district boundaries down to the census-block level, disagreement likely centers on whether the map fairly reflects population and communities of interest or instead advantages one party or region over another. No committee transcript was provided, so the recorded votes are the primary indicator of the debate.

Impact

HB 1 substantially amends Missouri’s election and redistricting statutes by repealing prior congressional district provisions and enacting a new statewide congressional map based on 2020 Census data. It changes the legal composition of all eight congressional districts, affecting voters, counties, voting districts, and census blocks across the state, and it governs elections beginning with the 120th Congress for the new map provisions. The bill also requires publication of the official district map as part of the Revised Statutes, making the new boundaries the controlling legal description for congressional elections.

Sentiment

The bill appears to have been supported by a majority in both chambers but with meaningful opposition. House votes of 89-63 and 90-65 show that the measure was not broadly bipartisan, while the Senate’s 21-11 third-reading vote suggests a smaller but still decisive majority. Overall, the sentiment is best characterized as favorable among supporters of the new map and skeptical or opposed among those who objected to the redistricting plan.

Contention

The central controversy is the redistricting plan itself: how Missouri’s congressional seats are divided among counties, cities, and precincts, and whether the resulting map is fair. Opponents likely objected to the political and representational consequences of the new boundaries, while supporters viewed the bill as a necessary update to align districts with the 2020 Census and current population patterns. Because the bill is highly technical and map-specific, disputes would likely focus on district shape, community splits, and partisan advantage rather than on unrelated policy issues.

Companion Bills

No companion bills found.

Previously Filed As

MO HB1442

Creates and modifies provisions relating to federally managed lands within the borders of the state

MO HB230

Modifies provisions relating to civil penalties for violations of federally mandated natural gas safety standards

MO HB141

Modifies provisions relating to civil penalties for violations of federally mandated natural gas safety standards

MO HB1034

Modifies provisions relating to civil penalties for violations of federally mandated natural gas safety standards

MO SB511

Modifies provisions relating to civil penalties for violations of federally mandated natural gas safety standards

MO HB1334

Modifies existing provisions and creates new provisions regarding cooperation with federal authorities on immigration matters and training for law enforcement agencies

MO SB198

Creates a process for nullification of federal actions

MO SB309

Creates new provisions relating to digital assets

MO SB614

Creates new provisions relating to digital assets

MO SB405

Creates provisions relating to firearms

Similar Bills

No similar bills found.