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AB-604 • 2026

Redistricting: congressional districts.

Redistricting: congressional districts.

Elections
Enacted

This bill passed the Legislature and reached final enactment based on the latest official action.

Sponsor
Aguiar-Curry (A) , Gonzalez
Last action
2025-08-21
Official status
Chaptered by Secretary of State - Chapter 96, Statutes of 2025.
Effective date
Not listed

Plain English Breakdown

The effective date of the bill is unknown from the provided information.

Redrawing Congressional Districts in California

AB-604 sets rules for how congressional districts are defined if ACA 8 is approved by voters, and these guidelines will be used until new district maps are finalized by the Citizens Redistricting Commission.

What This Bill Does

  • Specifies elements that define congressional districts in California if ACA 8 is adopted by voters during the 2025-26 Regular Session.
  • These provisions would become active only when parts of ACA 8 also become active and will be used until new district maps are certified by the Citizens Redistricting Commission.

Who It Names or Affects

  • The Citizens Redistricting Commission
  • Voters in California

Terms To Know

ACA 8
A proposed constitutional amendment that, if passed by voters, would change how congressional districts are drawn.
Citizens Redistricting Commission
The group responsible for adjusting the boundaries of congressional and state legislative districts in California based on population data from the national census.

Limits and Unknowns

  • This bill only applies if ACA 8 is approved by voters.
  • It will not be used once new district maps are certified by the Citizens Redistricting Commission.

Bill History

  1. 2025-08-21 California Legislative Information

    Chaptered by Secretary of State - Chapter 96, Statutes of 2025.

  2. 2025-08-21 California Legislative Information

    Approved by the Governor.

  3. 2025-08-21 California Legislative Information

    Enrolled and presented to the Governor at 3 p.m.

  4. 2025-08-21 California Legislative Information

    Urgency clause adopted. Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 56. Noes 20. Page 2698.).

  5. 2025-08-21 California Legislative Information

    Assembly Rule 63 suspended. (Ayes 55. Noes 18. Page 2694.)

  6. 2025-08-21 California Legislative Information

    In Assembly. Concurrence in Senate amendments pending.

  7. 2025-08-21 California Legislative Information

    Read third time. Urgency clause adopted. Passed. Ordered to the Assembly. (Ayes 30. Noes 9. Page 2229.).

  8. 2025-08-20 California Legislative Information

    Read second time. Ordered to third reading.

  9. 2025-08-20 California Legislative Information

    From committee: Do pass. (Ayes 5. Noes 2.) (August 20).

  10. 2025-08-19 California Legislative Information

    From committee: Do pass and re-refer to Com. on APPR. (Ayes 4. Noes 1.) (August 19). Re-referred to Com. on APPR.

  11. 2025-08-18 California Legislative Information

    Joint Rule 62(a), file notice suspended. (Ayes 27. Noes 10. Page 2188.)

  12. 2025-08-18 California Legislative Information

    Joint Rule 62(a), file notice suspended. (Ayes 27. Noes 10. Page 2188.)

  13. 2025-08-18 California Legislative Information

    (Ayes 27. Noes 10. Page 2179.)

  14. 2025-08-18 California Legislative Information

    From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on E. & C.A.

  15. 2025-05-07 California Legislative Information

    Referred to Com. on E. & C.A.

  16. 2025-04-02 California Legislative Information

    In Senate. Read first time. To Com. on RLS. for assignment.

  17. 2025-04-01 California Legislative Information

    Read third time. Passed. Ordered to the Senate. (Ayes 75. Noes 1.)

  18. 2025-03-27 California Legislative Information

    Read second time. Ordered to Consent Calendar.

  19. 2025-03-26 California Legislative Information

    From committee: Do pass. To Consent Calendar. (Ayes 7. Noes 0.) (March 26).

  20. 2025-02-24 California Legislative Information

    Referred to Com. on ELECTIONS.

  21. 2025-02-14 California Legislative Information

    From printer. May be heard in committee March 16.

  22. 2025-02-13 California Legislative Information

    Read first time. To print.

Official Summary Text

AB 604, Aguiar-Curry.
Redistricting: congressional districts.
The California Constitution requires the Citizens Redistricting Commission to adjust the boundary lines of the congressional, State Senate, Assembly, and State Board of Equalization districts in the year following the year in which the national decennial census is taken and requires the districts be redrawn in conformance with specified standards.
This bill would specify the elements that define the congressional districts if ACA 8 of the 2025–26 Regular Session is adopted by the voters. These provisions would become operative only if specified provisions of that constitutional amendment become operative, and would remain in effect only until a new map of congressional districts is certified by the Citizens Redistricting Commission as described above.
This bill would declare that it is to
take effect immediately as an urgency statute.

Current Bill Text

Read the full stored bill text
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