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Arizona state legislative districts

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There are 90 seats in the Arizona State Legislature. All 90 seats, 30 in the Arizona State Senate and 60 in the Arizona House of Representatives, are up for election every two years.

Chambers

Senate

The Arizona Senate consists of 30 members.

As of the 2020 Census, Arizona state senators represented an average of 238,631 residents. After the 2010 Census, each member represented 213,757 residents.

Qualifications

See also: State legislature candidate requirements by state

Article 4, Part 2, Section 2 of the Arizona Constitution states: "No person shall be a member of the Legislature unless he shall be a citizen of the United States at the time of his election, nor unless he shall be at least twenty-five years of age, and shall have been a resident of Arizona at least three years and of the county from which he is elected at least one year before his election."[1]

Arizona Statutes 16-311 and 16-312 state that all candidates seeking nomination via primary or write-in or must be qualified electors.[2][3]

Vacancies

See also: How vacancies are filled in state legislatures

If there is a vacancy in the Arizona State Legislature, the board of county supervisors must select a replacement. The secretary of state is required to contact the state party chairperson to give notice of the vacancy. The state chairperson must give notice of a meeting to fill the seat within three business days of receiving notice.[4] The political party committee is involved in the appointment process only if the legislative district has thirty or more elected precinct committeemen.[4]

If the legislative district has 30 or more elected precinct committeemen:

  • The precinct committeemen must nominate three qualified electors as replacements. If the Legislature is in session, this must occur within five days. If the Legislature is out of session, the committeemen have 21 days to nominate potential replacements. Each elector must receive a majority of the committeemen's vote to earn a nomination. The chair then forwards the three nominees to the board of supervisors. The board of supervisors appoints a nominee from the three names. If the committeemen do not submit a list of names within the allotted timeframe, the board of supervisors proceeds with the vacancy as if the district had fewer than 30 elected precinct committeemen.[4]

If the legislative district has fewer than 30 elected precinct committeemen:

  • The board of supervisors appoints a panel of citizen supervisors within seven business days of a vacancy occurring. The citizen panel must submit the name of three qualified electors of the same political party as the previous incumbent to the board of supervisors. If the Legislature is in session, this must occur within five days. If the Legislature is out of session, the committeemen have 21 days to nominate potential replacements. The board of supervisors must select a replacement by a majority vote.[5]
  • The person selected to fill the seat serves the remainder of the unfilled term.[5]

DocumentIcon.jpg See sources: Arizona Rev. Stat. Ann. §41-1202


Term limits

See also: State legislatures with term limits

The Arizona legislature is one of 16 state legislatures with term limits. Voters enacted the Arizona Term Limits Act in 1992. That initiative said that Arizona senators are subject to term limits of no more than four two-year terms, or a total of eight years.

The first year that the term limits enacted in 1992 impacted the ability of incumbents to run for office was 2000.[6]

Salaries

See also: Comparison of state legislative salaries
State legislative salaries, 2024[7]
SalaryPer diem
$24,000/yearFor legislators residing within Maricopa County: $35/day. For legislators residing outside of Maricopa County: $251.66.

Districts

These are links to every district in the Arizona State Senate.


Office
Arizona State Senate District 1
Arizona State Senate District 2
Arizona State Senate District 3
Arizona State Senate District 4
Arizona State Senate District 5
Arizona State Senate District 6
Arizona State Senate District 7
Arizona State Senate District 8
Arizona State Senate District 9
Arizona State Senate District 10
Arizona State Senate District 11
Arizona State Senate District 12
Arizona State Senate District 13
Arizona State Senate District 14
Arizona State Senate District 15
Arizona State Senate District 16
Arizona State Senate District 17
Arizona State Senate District 18
Arizona State Senate District 19
Arizona State Senate District 20
Arizona State Senate District 21
Arizona State Senate District 22
Arizona State Senate District 23
Arizona State Senate District 24
Arizona State Senate District 25
Arizona State Senate District 26
Arizona State Senate District 27
Arizona State Senate District 28
Arizona State Senate District 29
Arizona State Senate District 30


House

The Arizona House of Representatives is the lower house of the Arizona State Legislature. Its members are elected to two-year terms with a term limit of four consecutive terms (eight years). Members of the Republican Party currently hold a majority in the House.

The House of Representatives is composed of 60 members representing 30 multi-member constituencies, with two members per district. This district setup is similar to both the Washington and Idaho districting systems.

As of the 2020 Census, Arizona state representatives represented an average of 119,315 residents. After the 2010 Census, each member represented 106,878 residents.

Qualifications

See also: State legislature candidate requirements by state

Article 4, Part 2, Section 2 of the Arizona Constitution states: "No person shall be a member of the Legislature unless he shall be a citizen of the United States at the time of his election, nor unless he shall be at least twenty-five years of age, and shall have been a resident of Arizona at least three years and of the county from which he is elected at least one year before his election."[8]

Arizona Statutes 16-311 and 16-312 state that all candidates seeking nomination via primary or write-in or must be qualified electors.[9][10]

Vacancies

See also: How vacancies are filled in state legislatures

If there is a vacancy in the Arizona State Legislature, the board of county supervisors must select a replacement. The secretary of state is required to contact the state party chairperson to give notice of the vacancy. The state chairperson must give notice of a meeting to fill the seat within three business days of receiving notice.[4] The political party committee is involved in the appointment process only if the legislative district has thirty or more elected precinct committeemen.[4]

If the legislative district has 30 or more elected precinct committeemen:

  • The precinct committeemen must nominate three qualified electors as replacements. If the Legislature is in session, this must occur within five days. If the Legislature is out of session, the committeemen have 21 days to nominate potential replacements. Each elector must receive a majority of the committeemen's vote to earn a nomination. The chair then forwards the three nominees to the board of supervisors. The board of supervisors appoints a nominee from the three names. If the committeemen do not submit a list of names within the allotted timeframe, the board of supervisors proceeds with the vacancy as if the district had fewer than 30 elected precinct committeemen.[4]

If the legislative district has fewer than 30 elected precinct committeemen:

  • The board of supervisors appoints a panel of citizen supervisors within seven business days of a vacancy occurring. The citizen panel must submit the name of three qualified electors of the same political party as the previous incumbent to the board of supervisors. If the Legislature is in session, this must occur within five days. If the Legislature is out of session, the committeemen have 21 days to nominate potential replacements. The board of supervisors must select a replacement by a majority vote.[5]
  • The person selected to fill the seat serves the remainder of the unfilled term.[5]

DocumentIcon.jpg See sources: Arizona Rev. Stat. Ann. §41-1202


Term limits

See also: State legislatures with term limits

The Arizona legislature is one of 16 state legislatures with term limits. Voters enacted the Arizona Term Limits Act in 1992. That initiative said that Arizona senators are subject to term limits of no more than four two-year terms, or a total of eight years.

The first year that the term limits enacted in 1992 impacted the ability of incumbents to run for office was 2000.[11]

Salaries

See also: Comparison of state legislative salaries
State legislative salaries, 2024[12]
SalaryPer diem
$24,000/yearFor legislators residing within Maricopa County: $35/day. For legislators residing outside of Maricopa County: $251.66.

Districts

These are links to every district in the Arizona House of Representatives.


Office
Arizona House of Representatives District 1
Arizona House of Representatives District 1
Arizona House of Representatives District 2
Arizona House of Representatives District 2
Arizona House of Representatives District 3
Arizona House of Representatives District 3
Arizona House of Representatives District 4
Arizona House of Representatives District 4
Arizona House of Representatives District 5
Arizona House of Representatives District 5
Arizona House of Representatives District 6
Arizona House of Representatives District 6
Arizona House of Representatives District 7
Arizona House of Representatives District 7
Arizona House of Representatives District 8
Arizona House of Representatives District 8
Arizona House of Representatives District 9
Arizona House of Representatives District 9
Arizona House of Representatives District 10
Arizona House of Representatives District 10
Arizona House of Representatives District 11
Arizona House of Representatives District 11
Arizona House of Representatives District 12
Arizona House of Representatives District 12
Arizona House of Representatives District 13
Arizona House of Representatives District 13
Arizona House of Representatives District 14
Arizona House of Representatives District 14
Arizona House of Representatives District 15
Arizona House of Representatives District 15
Arizona House of Representatives District 16
Arizona House of Representatives District 16
Arizona House of Representatives District 17
Arizona House of Representatives District 17
Arizona House of Representatives District 18
Arizona House of Representatives District 18
Arizona House of Representatives District 19
Arizona House of Representatives District 19
Arizona House of Representatives District 20
Arizona House of Representatives District 20
Arizona House of Representatives District 21
Arizona House of Representatives District 21
Arizona House of Representatives District 22
Arizona House of Representatives District 22
Arizona House of Representatives District 23
Arizona House of Representatives District 23
Arizona House of Representatives District 24
Arizona House of Representatives District 24
Arizona House of Representatives District 25
Arizona House of Representatives District 25
Arizona House of Representatives District 26
Arizona House of Representatives District 26
Arizona House of Representatives District 27
Arizona House of Representatives District 27
Arizona House of Representatives District 28
Arizona House of Representatives District 28
Arizona House of Representatives District 29
Arizona House of Representatives District 29
Arizona House of Representatives District 30
Arizona House of Representatives District 30

Redistricting

See also: Redistricting in Arizona after the 2020 census

The Arizona Independent Redistricting Commission is responsible for drawing both congressional and state legislative district lines. The commission is composed of five members. Of these, four are selected by the majority and minority leaders of each chamber of the state legislature from a list of 25 candidates nominated by the state commission on appellate court appointments. These 25 nominees comprise 10 Democrats, 10 Republicans, and 5 unaffiliated citizens. The four commission members appointed by legislative leaders then select the fifth member to round out the commission. The fifth member of the commission must belong to a different political party than the other commissioners. The governor, with a two-thirds vote in the Arizona State Senate, may remove a commissioner "for substantial neglect of duty, gross misconduct in office, or inability to discharge the duties of office." The Arizona State Legislature may make recommendations to the commission, but ultimate authority is vested with the commission.[13][14][15]

The Arizona Constitution requires that both congressional and state legislative districts be "contiguous, geographically compact, and respect communities of interest–all to the extent practicable." The state constitution further mandates that district lines "should [follow] visible geographic features, city, town, and county boundaries, and undivided census tracts." In addition, the constitution requires that "competitive districts be favored where doing so would not significantly detract from the goals above."[15]

On January 24, 2022, Arizona enacted new legislative maps after the Arizona Independent Redistricting Commission transmitted its finalized plans to the secretary of state.[16] The commission initially voted to finalize and certify the legislative map plan on Jan. 21.[17] The commission's nonpartisan chairwoman, Erika Neuberg, joined the two Republican members—David Mehl and Douglas York—voting in favor of the map. The commission's two Democratic members—Shereen Lerner and Derrick Watchman—were opposed.[18] This map took effect for Arizona's 2022 legislative elections.

The commission previously voted in favor of the legislative map by a 3-2 vote on December 22, 2021, which was followed by a period for counties to request administrative changes before the final vote on Jan. 21.[19]

Senate elections

Arizona state senators serve two-year terms, with all seats up for election every two years. Arizona holds elections for its legislature in even years.

2026

See also: Arizona State Senate elections, 2026

Elections for the Arizona State Senate will take place in 2026. The general election is on November 3, 2026. The primary is August 4, 2026. The filing deadline is April 6, 2026.

2024

See also: Arizona State Senate elections, 2024

Elections for the Arizona State Senate took place in 2024. The general election was on November 5, 2024. The primary was July 30, 2024. The filing deadline was April 1, 2024.

In the 2024 elections, Republicans increased their majority in the Arizona State Senate by one seat, shifting the balance from 16-14 to 17-13.

Arizona State Senate
Party As of November 5, 2024 After November 6, 2024
     Democratic Party 14 13
     Republican Party 16 17
Total 30 30

2022

See also: Arizona State Senate elections, 2022

Elections for the Arizona State Senate took place in 2022. The general election was on November 8, 2022. A primary was scheduled for August 2, 2022. The filing deadline was April 4, 2022.

In the 2022 elections, Republicans maintained their 16-14 majority

Arizona State Senate
Party As of November 8, 2022 After November 9, 2022
     Democratic Party 14 14
     Republican Party 16 16
Total 30 30

2020

See also: Arizona State Senate elections, 2020

Elections for the office of Arizona State Senate took place in 2020. The general election was held on November 3, 2020. A primary was scheduled for August 4, 2020. The filing deadline was April 6, 2020.

Heading into the election, Republicans held a 17-13 majority. Republicans lost one seat in the election, giving them a 16-14 majority.

Arizona State Senate
Party As of November 3, 2020 After November 4, 2020
     Democratic Party 13 14
     Republican Party 17 16
Total 40 40

2018

See also: Arizona State Senate elections, 2018

Elections for the Arizona State Senate took place in 2018. A hybrid primary election took place on August 28, 2018.[20] The general election was held on November 6, 2018. The filing deadline for candidates wishing to appear on the primary ballot was May 30, 2018. The filing deadline for write-in primary candidates was July 19, 2018. The filing deadline for write-in general election candidates was September 27, 2018.[21]

In the 2018 elections, there was no changed in the partisan balance of the Arizona State Senate.

Arizona State Senate
Party As of November 6, 2018 After November 7, 2018
     Democratic Party 13 13
     Republican Party 17 17
Total 30 30

2016

See also: Arizona State Senate elections, 2016

Elections for the Arizona State Senate took place in 2016. The primary election took place on August 30, 2016, and the general election was held on November 8, 2016. The candidate filing deadline was June 1, 2016. All 30 seats in the Arizona State Senate were up for election in 2016.

Heading into the election, Republicans held an 18-12 majority. Republicans lost one seat in the election, giving them a 17-13 majority.

Arizona State Senate
Party As of November 7, 2016 After November 8, 2016
     Democratic Party 12 13
     Republican Party 18 17
Total 30 30


House elections

Arizona state representatives serve two-year terms, with all seats up for election every two years. Arizona holds elections for its legislature in even years.

2026

See also: Arizona House of Representatives elections, 2026

Elections for the Arizona House of Representatives will take place in 2026. The general election is on November 3, 2026. The primary is August 4, 2026. The filing deadline is April 6, 2026.

2024

See also: Arizona House of Representatives elections, 2024

Elections for the Arizona House of Representatives took place in 2024. The general election was on November 5, 2024. The primary was July 30, 2024. The filing deadline was April 1, 2024.

In the 2024 elections, Republicans increased their majority in the Arizona House of Representatives by two seats, shifting the balance from 31-29 to 33-27.

Arizona House of Representatives
Party As of November 5, 2024 After November 6, 2024
     Democratic Party 29 27
     Republican Party 31 33
Total 60 60

2022

See also: Arizona House of Representatives elections, 2022

Elections for the Arizona House of Representatives took place in 2022. The general election was on November 8, 2022. A primary was scheduled for August 2, 2022. The filing deadline was April 4, 2022.

In the 2022 elections, there was no change to the partisan balance of the Arizona House of Representatives. Republicans maintained a 31-29 majority.


Arizona House of Representatives
Party As of November 8, 2022 After November 9, 2022
     Democratic Party 29 29
     Republican Party 31 31
Total 60 60

2020

See also: Arizona House of Representatives elections, 2020

Elections for the office of Arizona House of Representatives took place in 2020. The general election was held on November 3, 2020. A primary was scheduled for August 4, 2020. The filing deadline was April 6, 2020.

In the 2020 elections, there was no change to the partisan balance of the Arizona House of Representatives. Republicans maintained a 31-29 majority.

Arizona House of Representatives
Party As of November 3, 2020 After November 4, 2020
     Democratic Party 29 29
     Republican Party 31 31
Total 60 60

2018

See also: Arizona House of Representatives elections, 2018

Elections for the Arizona House of Representatives took place in 2018. A hybrid primary election took place on August 28, 2018.[28] The general election was held on November 6, 2018. The filing deadline for candidates wishing to appear on the primary ballot was May 30, 2018. The filing deadline for write-in primary candidates was July 19, 2018. The filing deadline for write-in general election candidates was September 27, 2018.[29]

In the 2018 elections, the Republican majority in the Arizona House of Representatives was reduced from 35-25 to 31-29.

Arizona House of Representatives
Party As of November 6, 2018 After November 7, 2018
     Democratic Party 25 29
     Republican Party 35 31
Total 60 60

2016

See also: Arizona House of Representatives elections, 2016

Elections for the Arizona House of Representatives took place in 2016. The primary election took place on August 30, 2016, and the general election was held on November 8, 2016. The candidate filing deadline was June 1, 2016.[30] All 60 seats in the Arizona House of Representatives were up for election in 2016.

Heading into the election, Republicans held a 36-24 majority. Republicans lost one seat in the election, giving them a 35-25 majority.

Arizona House of Representatives
Party As of November 7, 2016 After November 8, 2016
     Democratic Party 24 25
     Republican Party 36 35
Total 60 60

District maps

State Senate


State House


See also

Footnotes

  1. Arizona State Legislature, "2. Qualifications of members of legislature," accessed May 21, 2025
  2. Arizona Legislature, "16-311," accessed May 29, 2025
  3. Arizona Legislature, "16-312," accessed May 29, 2025
  4. 4.0 4.1 4.2 4.3 4.4 4.5 Arizona Legislature, "Arizona Revised Statutes," accessed February 8, 2021 (Statute 41.1202 (A), Arizona Revised Statutes)
  5. 5.0 5.1 5.2 5.3 Arizona Legislature, "Arizona Revised Statutes," accessed February 8, 2021 (Statute 41.1202 (B), Arizona Revised Statutes)
  6. Arizona Attorney General, "Legislative Term Limits," accessed February 8, 2021
  7. National Conference of State Legislatures, "2024 Legislator Compensation," August 21, 2024
  8. Arizona State Legislature, "2. Qualifications of members of legislature," accessed May 21, 2025
  9. Arizona Legislature, "16-311," accessed May 29, 2025
  10. Arizona Legislature, "16-312," accessed May 29, 2025
  11. Arizona Attorney General, "Legislative Term Limits," accessed February 8, 2021
  12. National Conference of State Legislatures, "2024 Legislator Compensation," August 21, 2024
  13. Supreme Court of the United States, "Arizona State Legislature v. Arizona Independent Redistricting Commission, et al. - Appellant's Jurisdictional Statement," accessed March 6, 2015
  14. Arizona Independent Redistricting Commission, "Home page," accessed March 6, 2015
  15. 15.0 15.1 All About Redistricting, "Arizona," accessed April 17, 2015
  16. Phone conversation with Valerie Neumann, AIRC executive assistant, Jan. 25, 2022]
  17. Arizona Independent Redistricting Commission, "Official Maps," accessed Jan. 21, 2022
  18. Tucson Sentinel, "Arizona Redistricting Commission gives final certification to new election maps," Jan. 21, 2022
  19. Arizona Mirror, "Republicans hold the edge as Arizona redistricting nears completion," Dec. 17, 2021
  20. Arizona State Legislature, "Arizona Election Laws & Publications," accessed June 7, 2017
  21. Arizona Secretary of State, "Running for Legislative Office," accessed October 13, 2017
  22. Follow the Money, "Arizona 2010 Senate Campaign Contributions," accessed April 23, 2015
  23. Follow the Money, "Arizona 2008 Candidates," accessed April 10, 2013
  24. Follow the Money, "Arizona 2006 Candidates," accessed April 10, 2013
  25. Follow the Money, "Arizona 2004 Candidates," accessed April 10, 2013
  26. Follow the Money, "Arizona 2002 Candidates," accessed April 10, 2013
  27. Follow the Money, "Arizona 2000 Candidates," accessed April 10, 2013
  28. Arizona State Legislature, "Arizona Election Laws & Publications," accessed June 7, 2017
  29. Arizona Secretary of State, "Running for Legislative Office," accessed October 13, 2017
  30. Arizona Secretary of State, "Elections Calendar & Upcoming Events," accessed January 11, 2016
  31. Follow the Money, "Arizona 2010 Campaign Contributions," accessed April 21, 2015
  32. Follow the Money, "Arizona 2008 Candidates," accessed April 10, 2013
  33. Follow the Money, "Arizona 2006 Candidates," accessed April 10, 2013
  34. Follow the Money, "Arizona 2004 Candidates," accessed April 10, 2013
  35. Follow the Money, "Arizona 2002 Candidates," accessed April 10, 2013
  36. Follow the Money, "Arizona 2000 Candidates," accessed April 10, 2013