In most U.S. states, legislatures have primary redistricting authority
Primary redistricting authority in state is …
Note: California has temporarily bypassed its redistricting commission, pursuant to ballot measure approved November 2025. A legislative-drawn map will be in effect through the 2030 election. Refer to the “Data” tab for more information.
Source: Ballotpedia, All About Redistricting, Pew Research Center research.
PEW RESEARCH CENTER
In most U.S. states, legislatures have primary redistricting authority
Primary redistricting authority in state is …
| Name | FIPS | Primary authority | Redistricted in 2025? |
|---|---|---|---|
| Alabama | 01 | Legislature | No |
| Alaska | 02 | None (1 district) | N/A |
| Arizona | 04 | Commission | No |
| Arkansas | 05 | Legislature | No |
| California | 06 | Commission | Voluntarily, to give one party or the other an electoral advantage |
| Colorado | 08 | Commission | No |
| Connecticut | 09 | Shared | No |
| Delaware | 10 | None (1 district) | N/A |
| Florida | 12 | Legislature | No |
| Georgia | 13 | Legislature | No |
| Hawaii | 15 | Commission | No |
| Idaho | 16 | Commission | No |
| Illinois | 17 | Legislature | No |
| Indiana | 18 | Shared | No |
| Iowa | 19 | Shared | No |
| Kansas | 20 | Legislature | No |
| Kentucky | 21 | Legislature | No |
| Louisiana | 22 | Legislature | No |
| Maine | 23 | Shared | No |
| Maryland | 24 | Legislature | No |
| Massachusetts | 25 | Legislature | No |
| Michigan | 26 | Commission | No |
| Minnesota | 27 | Legislature | No |
| Mississippi | 28 | Legislature | No |
| Missouri | 29 | Legislature | Voluntarily, to give one party or the other an electoral advantage |
| Montana | 30 | Commission | No |
| Nebraska | 31 | Legislature | No |
| Nevada | 32 | Legislature | No |
| New Hampshire | 33 | Legislature | No |
| New Jersey | 34 | Commission | No |
| New Mexico | 35 | Shared | No |
| New York | 36 | Shared | No |
| North Carolina | 37 | Legislature | Voluntarily, to give one party or the other an electoral advantage |
| North Dakota | 38 | None (1 district) | N/A |
| Ohio | 39 | Shared | Pursuant to state law or a court order |
| Oklahoma | 40 | Legislature | No |
| Oregon | 41 | Legislature | No |
| Pennsylvania | 42 | Legislature | No |
| Rhode Island | 44 | Shared | No |
| South Carolina | 45 | Legislature | No |
| South Dakota | 46 | None (1 district) | N/A |
| Tennessee | 47 | Legislature | No |
| Texas | 48 | Legislature | Voluntarily, to give one party or the other an electoral advantage |
| Utah | 49 | Shared | Pursuant to state law or a court order |
| Vermont | 50 | None (1 district) | N/A |
| Virginia | 51 | Shared | No |
| Washington | 53 | Commission | No |
| West Virginia | 54 | Legislature | No |
| Wisconsin | 55 | Legislature | No |
| Wyoming | 56 | None (1 district) | N/A |
Note: California has temporarily bypassed its redistricting commission, pursuant to ballot measure approved November 2025. A legislative-drawn map will be in effect through the 2030 election. Refer to the “Data” tab for more information.
Source: Ballotpedia, All About Redistricting, Pew Research Center research.
PEW RESEARCH CENTER
