---
type: "Bill"
title: "census adjustment; population threshold"
description: "census adjustment; population threshold"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "56th-1st-regular"
identifier: "SB 1051"
citation: "Arizona SB 1051 (56th-1st-regular)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Thomas \"T.J.\" Shope"]
version_count: 4
action_count: 14
vote_count: 3
first_action: "2023-01-19"
last_action: "2023-03-28"
source: "openstates"
source_identifier: "ocd-bill/5f56b729-bb9d-43f2-aab6-a98140cd0fa9"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/78431?SessionId=127"
source_hash: "440ba2f8491d41e9f4697537f18c706af52e4d5e758fa24c2b5b04a3372f98dc"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-az"]
---

# Arizona SB 1051 (56th-1st-regular) — census adjustment; population threshold

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Chaptered Version** (committee substitute) — [source](https://www.azleg.gov/legtext/56leg/1r/laws/0004.pdf)
2. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/56leg/1r/bills/sb1051p.pdf)
3. **SENATE - Government** (committee substitute) — [source](https://www.azleg.gov/legtext/56leg/1R/proposed/S.1051HOFFMAN.DOCX.htm)
4. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/56leg/1r/bills/sb1051s.pdf)

## Votes

- Passed — **29–0** (pass) · upper
- Passed — **57–0** (pass) · lower
- do pass amended — **0–0** (fail) · upper

## Sponsors

- Thomas "T.J." Shope — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-01-19** Senate First Reading `reading-1`
- **2023-01-23** Senate Second Reading `reading-2`
- **2023-02-01** DPA `amendment-passage`
- **2023-02-21** DPA `amendment-passage`
- **2023-02-21** PASSED `passage, reading-3`
- **2023-02-21** Transmit to House
- **2023-02-27** House First Reading. `reading-1`
- **2023-02-28** House Second Reading `reading-2`
- **2023-03-08** DP `committee-passage`
- **2023-03-13** House Placed on Consent Calendar
- **2023-03-21** PASSED `passage, reading-3`
- **2023-03-21** Transmit to Senate
- **2023-03-23** Transmit to Governor `executive-receipt`
- **2023-03-28** Signed by Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/5f56b729-bb9d-43f2-aab6-a98140cd0fa9`. Confidence: reported (aggregated from official Arizona legislature records).