Sponsors
This bill aims to make House apportionment and voting more responsive, proportional, and procedurally clear—potentially improving voter choice and representation—while shifting costs and administrative complexity to federal, state, and local governments and risking dilution of local minority representation.
States, especially fast-growing or shrinking ones, would see House seat counts adjust more responsively as overall U.S. population changes, reducing wide disparities in representation across states.
Voters nationwide retain the one-person, one-vote principle because the bill requires equal population per Representative 'as nearly as practicable,' preserving basic electoral equality.
Voters in States that adopt multi-member districts with single transferable vote (STV)/ranked systems gain more expressive choice and a better chance that minority viewpoints win representation.
Taxpayers would likely face materially higher and potentially open-ended costs if the House grows (more members, staff, offices) and through required state election-system changes.
A larger House and more complex voting systems increase procedural and administrative complexity—complicating chamber operations, committee workloads, and vote/counting processes, and risking slower legislative or election results.
Shifting to larger multi-member districts and ranked ballots could dilute localized geographic representation and make it harder for politically concentrated minority communities to elect preferred candidates.
Based on analysis of 6 sections of legislative text.
Sets House size at one Representative per 500,000 people, permits optional multi-member districts and ranked-choice voting, creates a review commission for large seat swings, and funds added House resources.
Introduced June 25, 2025 by Sean Casten · Last progress June 25, 2025
Changes how the U.S. House is sized and how Representatives can be elected. It sets the House size by dividing total U.S. population by 500,000 (raising the number of Representatives), lets states optionally use multi-member districts and ranked-choice voting for House seats, creates a temporary congressional commission to review big changes in House size and apportionment, and authorizes funds for any additional House space and resources needed. The new apportionment rule and districting options take effect for the first regular decennial census after enactment; a commission to review large swings in House size would be used starting with the second decennial census after enactment.