Key Takeaways
- Within the 50 state legislatures, 18 are under full Democratic control, 28 are under full Republican control, and 4 have split control.
- Going into 2025, in the 2024 elections there were 5,807 legislative seats up for election (in 44 states). Of the 7 states to watch for potential chamber partisan control flips, there was only one flip (Michigan), 3 Republican holds (Arizona, New Hampshire, and Wisconsin), 1 Democratic hold (Pennsylvania), a tie in Minnesota, and a coalition hold in Alaska.
- Download our full 2025 Governors and Legislatures chart here.
- Download our 2025 Legislative Session Dates calendar here.
2025 State Legislatures Map
Current 2025 State Legislatures Partisan Breakdown
Key: D = Democrat, R = Republican, O = Open, V = Vacant, and an underlined number indicates that party has a supermajority in that chamber.
Data is as of December 2, 2024.
State | Senate | House | Has Trifecta Government? |
| D | R | O | V | D | R | O | V |
| Alabama | 8 | 27 | . | . | 29 | 76 | . | . | Yes |
| Alaska | 9 | 11 | . | . | 14 | 21 | 5 | . | No |
| Arizona | 13 | 17 | . | . | 27 | 33 | . | . | No |
| Arkansas | 6 | 29 | . | . | 19 | 81 | . | . | Yes |
| California | 30 | 10 | . | . | 60 | 20 | . | . | Yes |
| Colorado | 23 | 12 | . | . | 43 | 22 | . | . | Yes |
| Connecticut | 25 | 11 | . | . | 102 | 49 | . | . | Yes |
| Delaware | 15 | 6 | . | . | 27 | 14 | . | . | Yes |
| Florida | 12 | 28 | . | . | 35 | 85 | . | . | Yes |
| Georgia | 23 | 33 | . | . | 80 | 100 | . | . | Yes |
| Hawaii | 22 | 3 | . | . | 42 | 9 | . | . | Yes |
| Idaho | 6 | 29 | . | . | 9 | 61 | . | . | Yes |
| Illinois | 40 | 19 | . | . | 78 | 40 | . | . | Yes |
| Indiana | 10 | 40 | . | . | 30 | 70 | . | . | Yes |
| Iowa | 15 | 35 | . | . | 33 | 67 | . | . | Yes |
| Kansas | 9 | 31 | . | . | 37 | 88 | . | . | No |
| Kentucky | 7 | 31 | . | . | 20 | 80 | . | . | No |
| Louisiana | 11 | 28 | . | . | 32 | 73 | . | . | Yes |
| Maine | 20 | 15 | . | . | 76 | 73 | 2 | . | Yes |
| Maryland | 34 | 13 | . | . | 102 | 39 | . | . | Yes |
| Massachusetts | 35 | 5 | . | . | 134 | 25 | 1 | . | Yes |
| Michigan | 20 | 18 | . | . | 52 | 58 | . | | No |
| Minnesota | 34 | 33 | . | . | 67 | 67 | . | . | No |
| Mississippi | 16 | 36 | . | . | 41 | 79 | 2 | . | Yes |
| Missouri | 10 | 24 | . | . | 52 | 111 | . | . | Yes |
| Montana | 18 | 32 | . | . | 41 | 59 | . | . | Yes |
| Nebraska | 15 | 33 | 1 | . | . | . | . | . | Yes |
| Nevada | 13 | 8 | . | . | 27 | 15 | . | . | No |
| New Hampshire | 8 | 16 | . | . | 178 | 222 | . | . | Yes |
| New Jersey | 25 | 15 | . | . | 52 | 28 | . | . | Yes |
| New Mexico | 26 | 16 | . | . | 44 | 26 | . | . | Yes |
| New York | 41 | 22 | . | . | 103 | 47 | . | . | Yes |
| North Carolina | 20 | 30 | . | . | 49 | 71 | . | . | No |
| North Dakota | 5 | 42 | . | . | 11 | 83 | . | . | Yes |
| Ohio | 9 | 24 | . | . | 34 | 65 | . | . | Yes |
| Oklahoma | 8 | 39 | . | 1 | 20 | 81 | . | . | Yes |
| Oregon | 18 | 12 | . | . | 36 | 24 | . | . | Yes |
| Pennsylvania | 22 | 28 | . | . | 102 | 101 | . | . | No |
| Rhode Island | 34 | 4 | . | . | 64 | 10 | 1 | . | Yes |
| South Carolina | 12 | 34 | . | . | 35 | 87 | . | 2 | Yes |
| South Dakota | 3 | 32 | . | . | 6 | 64 | . | . | Yes |
| Tennessee | 6 | 27 | . | . | 24 | 75 | . | . | Yes |
| Texas | 11 | 20 | . | . | 62 | 88 | . | . | Yes |
| Utah | 6 | 23 | . | . | 14 | 61 | . | . | Yes |
| Vermont | 16 | 13 | 1 | . | 87 | 56 | 7 | . | No |
| Virginia | 21 | 19 | . | . | 51 | 49 | . | . | No |
| Washington | 30 | 19 | . | . | 59 | 39 | . | . | No |
| West Virginia | 2 | 32 | . | . | 9 | 91 | . | . | Yes |
| Wisconsin | 15 | 18 | . | . | 45 | 54 | . | . | No |
| Wyoming | 2 | 29 | . | . | 6 | 56 | . | . | Yes |