Census Bureau Proposes Counting Only Citizens for House Apportionment in 2030
If finalized, the rule would shift the legal basis for distributing all 435 House seats away from total population toward citizen population, a change that would redraw political representation...
The Census Bureau published a proposed rule on September 9, 2026, that would alter how the United States counts population for the purpose of apportioning the 435 seats in the House of Representatives, according to a Washington Examiner report citing the Federal Register submission. The rule, advanced under the Trump administration, would limit the population base used for apportionment to citizens and lawful permanent residents, excluding undocumented immigrants and temporary visa holders from that count for the 2030 census cycle.
Apportionment determines how many House seats each state receives following each decennial census. The Constitution, in Article I, Section 2, directs that representatives be apportioned among states according to their respective numbers. For more than two centuries, the federal government has used total resident population, regardless of citizenship status, as that number. The proposed rule would represent a departure from that practice.
The Federal Register submission, described in the September 9 report, is the formal mechanism through which executive agencies propose regulatory changes. Once published, proposed rules are subject to a public comment period, typically 30 to 60 days, before a final rule can be issued. It is not yet known from available public records whether the Census Bureau set a specific comment deadline in this submission.
The practical effect of excluding non-citizens from the apportionment base would fall unevenly across states. States with larger non-citizen populations, including California, Texas, New York, and Florida, would be most directly affected, as their apportionment counts would decrease relative to states with smaller non-citizen populations. The precise seat shifts that would result from the proposed methodology are not calculable from currently available data, because the Census Bureau has not yet published state-by-state projections under the new formula. The 2030 census count itself has not been conducted.
The legal standing of the rule faces uncertainty. The Supreme Court addressed a related question in Trump v. New York (2020), when the first Trump administration sought to exclude undocumented immigrants from the apportionment base by executive memorandum. The Court dismissed that case as not yet ripe for adjudication, meaning it did not rule on the underlying constitutional question of whether non-citizens may be excluded from apportionment counts. That constitutional question remains unresolved in federal case law as of the date of this report.
Historically, the Three-Fifths Compromise in the original Constitution explicitly counted enslaved persons as three-fifths of a free person for apportionment purposes, establishing that apportionment has been modified by constitutional amendment before. The Fourteenth Amendment, ratified in 1868, changed the formula to count all persons. Legal scholars and advocacy groups on both sides of the debate cite the Fourteenth Amendment's language, which refers to persons rather than citizens, as the central textual dispute the courts would need to resolve if the proposed rule is challenged.
The proposed rule comes roughly four years before the 2030 census is scheduled to be conducted. The Census Bureau typically begins detailed planning for decennial counts several years in advance, meaning regulatory decisions made now carry operational consequences. A rule that survives legal challenge and enters final form would direct how the Bureau structures its 2030 data collection and reporting.
No congressional vote has been taken on the rule as of the date of this report. Congress has authority under Article I to set apportionment methodology by statute, and members of both parties have introduced competing legislation on this question in recent sessions, though no such legislation has been enacted. The most recent relevant bill statuses are not confirmed in available source material and would need to be verified against the congressional record.
Advocacy organizations representing immigrant communities have previously argued in court filings, including in Trump v. New York, that excluding non-citizens from apportionment would reduce federal funding and political representation for communities that include both citizens and non-citizens. Supporters of citizenship-based apportionment have argued that only citizens should determine the composition of a legislature whose members they alone can elect. Neither argument has been adjudicated on its merits by the Supreme Court.
Several key facts remain unknown from current public records. The full text of the proposed rule has not been independently verified by this publication beyond the Federal Register description cited in reporting. The specific comment period deadline, the Bureau's own modeling of seat shifts by state, and whether the administration intends to defend the rule through anticipated litigation are all questions whose answers would be found in the Federal Register filing itself, subsequent Bureau guidance documents, and any future court filings.