Legislative Partisan Splits

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Color code:

  • Democratic Controlled Chambers - Blue 
  • Republican Controlled Chambers - Red 
  • Split Chambers - Purple 
  • Democratic Supermajority States - Dark Blue 
  • Republican Supermajority States - Dark Red

2021 Partisan Splits

Governors: 23D - 27R

State Legislative Chambers: 37D – 62R

 

Updated 7/15/2021

State Chamber Party Control Dem. Rep. Ind. Vac. Other Total Seats
Alabama House R - Supermajority 28 76 1 105
Alabama Senate R - Supermajority 8 27 35
Alaska House D 14 21 4 1 40
Alaska Senate R 7 13 20
Arizona House R 29 31 60
Arizona Senate R 13 16 1 30
Arkansas House R - Supermajority 23 77 100
Arkansas Senate R - Supermajority 7 27 1 35
California Assembly D - Supermajority 60 19 1 80
California Senate D - Supermajority 31 9 40
Colorado House D 41 24 65
Colorado Senate D 20 15 35
Connecticut House D - Supermajority 99 51 151
Connecticut Senate D 23 12 1 36
Delaware House D 26 15 41
Delaware Senate D - Supermajority 14 7 21
Florida House R 42 78 120
Florida Senate R 16 24 40
Georgia House R 77 102 1 180
Georgia Senate R 21 35 56
Hawaii House D - Supermajority 47 4 51
Hawaii Senate D - Supermajority 24 1 25
Idaho House R - Supermajority 12 58 70
Idaho Senate R - Supermajority 7 28 35
Illinois House D - Supermajority 73 45 118
Illinois Senate D - Supermajority 39 17 3 59
Indiana House R - Supermajority 31 69 100
Indiana Senate R - Supermajority 11 39 50
Iowa House R 41 59 100
Iowa Senate R 18 31 1 50
Kansas House R - Supermajority 37 88 125
Kansas Senate R - Supermajority 11 29 40
Kentucky House R - Supermajority 25 75 100
Kentucky Senate R - Supermajority 9 29 38
Louisiana House R 35 68 2 105
Louisiana Senate R - Supermajority 12 27 39
Maine House D 79 68 4 151
Maine Senate D 23 12 35
Maryland House D - Supermajority 98 42 1 141
Maryland Senate D - Supermajority 32 14 1 47
Massachusetts House D - Supermajority 129 30 1 160
Massachusetts Senate D - Supermajority 37 3 40
Michigan House R 52 58 110
Michigan Senate R 16 22 38
Minnesota House D 70 64 134
Minnesota Senate R 33 34 67
Mississippi House R 46 75 1 122
Mississippi Senate R - Supermajority 16 36 52
Missouri House R - Supermajority 49 114 163
Missouri Senate R - Supermajority 10 24 34
Montana House R - Supermajority 32 68 100
Montana Senate R - Supermajority 19 31 50
Nebraska Unicameral NP *** 49 49
Nevada Assembly D 26 16 42
Nevada Senate D 11 9 1 21
New Hampshire House R ** 187 213 400
New Hampshire Senate R ** 10 14 24
New Jersey House D 50 30 80
New Jersey Senate D 26 14 40
New Mexico House D 44 25 1 70
New Mexico Senate D 27 15 42
New York Assembly D - Supermajority 106 43 1 150
New York Senate D - Supermajority 43 20 63
North Carolina House R 51 69 120
North Carolina Senate R 22 28 50
North Dakota House R - Supermajority 14 80 94
North Dakota Senate R - Supermajority 7 40 47
Ohio House R 35 64 99
Ohio Senate R - Supermajority 8 25 33
Oklahoma House R - Supermajority 19 82 101
Oklahoma Senate R - Supermajority 9 39 48
Oregon House D 36 23 1 60
Oregon Senate D 18 12 30
Pennsylvania House R 90 113 203
Pennsylvania Senate R 20 27 1 2 50
Rhode Island House D - Supermajority 65 10 75
Rhode Island Senate D - Supermajority 33 5 38
South Carolina House R 43 81 124
South Carolina Senate R 16 30 46
South Dakota House R - Supermajority 8 62 70
South Dakota Senate R - Supermajority 2 33 35
Tennessee House R - Supermajority 26 73 99
Tennessee Senate R - Supermajority 6 27 33
Texas House R 66 84 150
Texas Senate R 13 18 31
Utah House R - Supermajority 17 58 75
Utah Senate R - Supermajority 6 23 29
Vermont House D 86 35 5 5 D/P, 1 D/R, 7 P/D, 11 R/D 150
Vermont Senate D - Supermajority 23 7 30
Virginia House D 55 45 100
Virginia Senate D 21 18 1 40
Washington House D 57 41 98
Washington Senate D 29 20 49
West Virginia House R - Supermajority 24 76 100
West Virginia Senate R - Supermajority 11 23 34
Wisconsin Assembly R 38 61 99
Wisconsin Senate R 12 20 33
Wyoming House R - Supermajority 7 51 1 1 L 60
Wyoming Senate R - Supermajority 2 28 30

** Party change from post 2020 election

*** Nebraska's Unicameral is officially nonpartisan, but most lawmakers are affiliated with the Republican Party

D - Democrat

R - Republican

I - Independent

L - Libertarian

NP - Non Partisan