Type | State & commission | Commission jurisdiction | Commission type & voting | No. of members | Member selection criteria & process | Legal authority |
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Commissions responsible for congressional & legislative redistricting | Arizona Independent Redistricting Commission | Congressional & legislative districts | Bipartisan;majority-rules | 5 | The commission on appellate court appointees creates a pool of 25 nominees, ten from each of the two largest parties and five not from either of the two largest parties. The highest-ranking officer of the House appoints one from the pool, then the minority leader of the House appoints one, then the highest-ranking officer of the Senate appoints one, then the minority leader of the Senate appoints one. These four appoint a fifth from the pool, not a member of any party already represented on the commission, as chair. If the four deadlock, the commission on appellate court appointments appoints the chair. | Arizona ConstitutionArticle 4, pt. 2, § 1 |
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California Citizens Redistricting Commission | Congressional, legislative, BoE districts | Non-partisan;super-majority (majority of each group) needed | 14 | The commission was established in 2010 and consists of 14 members: 5 Democrats, 5 Republicans, and 4 members from neither party. Government auditors select 60 registered voters from an applicant pool. Legislative leaders can reduce the pool; the auditors then pick 8 commission members by lottery, and those commissioners pick six additional members for the 14 total. For approval, district boundaries need votes from 3 Democratic commissioners, 3 Republican commissioners, and 3 commissioners from neither party. | California ConstitutionArticle XXI |
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Hawaii | Congressional & legislative districts | Bipartisan;majority-rules | 9 | No commission member may run for the legislature in the two elections following redistricting. President of the Senate selects two; Speaker of the House selects two. Members of each house belonging to the party or parties different from that of the president or the speaker shall designate one of their number for each house, and the two so designated shall each select two [more?] members of the commission. These eight select the ninth member, who is the chair. | Hawaii ConstitutionArticle IV |
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Idaho | Congressional & legislative districts | Bipartisan;2/3 super-majority required | 6 | Leaders of two largest political parties in each house of the legislature each designate one member; chairs of the two parties whose candidates for governor received the most votes in the last election each designate one member. No member may be an elected or appointed official in the state at the time of designation. | Idaho ConstitutionArticle III, § 2 |
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Montana | Legislative & congressional districts | Bipartisan;majority-rules(?) | 5 | No member may be a public employee or official; members cannot run for public office in the two years after the completion of redistricting. Majority and minority leaders of both houses of the Legislature each select one member; those four select a fifth, who is the chair of the commission. | Montana ConstitutionArticle IV, § 14 |
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New Jersey Redistricting Commission (Congressional) & Apportionment Commission (Legislative) | Congressional & legislative districts | Bipartisan;majority rules | Congressional:13Legislative:10 (or 11) | Redistricting Commission: The commission has 13 members. The President of the Senate and Assembly Speaker each name two members; the minority leaders of both houses each name two members; and the state's Democratic and Republican party chairpersons each name two members. The 12 members then select a 13th "tie-breaking" member to chair the commission; if they cannot agree on the 13th member, then each party submits a name to the state's Supreme Court, which then chooses one of the submissions as the 13th member.Apportionment Commission: The chairs of the two major parties each select five members. If these 10 members cannot develop a plan in the allotted time, the chief justice of the state Supreme Court will appoint an 11th member. | New Jersey ConstitutionArticle II, Sec. II & Article IV, Sec. III |
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Washington State Redistricting Commission | Congressional & legislative districts | Bipartisan;majority (of 4) rules | 5(only 4 voting) | No elected official and no person elected to legislative district, county, or state political party office may serve on the commission. Majority and minority leaders of the House and Senate each select one member. These four select a non-voting fifth member to chair the commission. If they fail to do so by January 31, the state Supreme Court will select the fifth member within five days. No commission member may be a public official. | Washington ConstitutionArticle II, § 43 |
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Commissions responsible for legislative redistricting only | Alaska | Legislative districts | Non-partisan;majority-rules | 5 | No member may be a public employee or official. Governor appoints two; president of the Senate appoints one; speaker of the House appoints one; chief justice of the Supreme Court appoints one. At least one member must be a resident of each judicial district. | Alaska ConstitutionArticle 6 |
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Arkansas | Legislative districts | Non-partisan;majority-rules | 3 | Commission consists of the state's governor, secretary of state, and attorney general. | Arkansas ConstitutionArticle 6 |
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Colorado | Legislative districts | Non-partisan;Colorado Supreme Court must approve | 11 | Legislature selects four: (speaker of the House; House minority leader; Senate majority and minority leaders; or their delegates). Governor selects three. Judiciary selects four. Maximum of four from the legislature. Each congressional district must have at least one person, but no more than two people representing it on the commission. At least one member must live west of the Continental Divide. | Colorado ConstitutionArticle 5, § 48 |
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Missouri | Legislative districts | Bipartisan;super-majorities required | Senate: 10House: 18 | No commission member may hold office in the legislature for four years after redistricting. There are two separate redistricting committees, one for each chamber of the legislature. Governor picks one person from each list of two submitted by the two main political parties in each congressional district to form the House committee; governor picks five people from two lists of 10 submitted by the two major political parties in the state to form the Senate committee. | Missouri ConstitutionArticle III, § 2 & § 7 |
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Ohio | Legislative districts | Non-partisan;majority rules | 5 | Board consists of the governor, auditor, secretary of state, and two people selected by the legislative leaders of each major political party. | Ohio ConstitutionArticle XI, § 1 |
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Pennsylvania | Legislative districts | Bipartisan;majority rules | 5 | Majority and minority leaders of the legislative houses each select one member. These four select a fifth to chair. If they fail to do so within 45 days, a majority of the state Supreme Court will select the fifth member. The chair cannot be a public official. | Pennsylvania ConstitutionArticle II, § 17 |
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