2012 general · November 6, 2012

2012 State legislatures election results

Every State legislatures race in the 2012 general election, state by state: winners, margins and seats that changed party.

← 2011 general2013 general →

Races5,600
Changed party0
Unopposed34%1,926 races
Incumbents defeated271

Chambers

ChamberRacesSeats wonChanged party
Alaska House of Representatives40D 15 · R 25—
Alaska State Senate19D 6 · R 13—
Arizona House of Representatives30D 24 · R 36—
Arizona State Senate30D 13 · R 17—
Arkansas House of Representatives100D 49 · R 51—
Arkansas State Senate35D 14 · R 21—
California State Assembly80D 55 · R 25—
California State Senate20D 15 · R 5—
Colorado House of Representatives65D 37 · R 28—
Colorado State Senate20D 13 · R 7—
Connecticut House of Representatives151D 99 · R 52—
Connecticut State Senate36D 22 · R 14—
Delaware House of Representatives41D 27 · R 14—
Delaware State Senate21D 13 · R 8—
Florida House of Representatives120D 44 · R 76—
Florida State Senate40D 14 · R 26—
Georgia House of Representatives180D 60 · R 119 · Other 1—
Georgia State Senate55D 18 · R 37—
Hawaii House of Representatives51D 44 · R 7—
Hawaii State Senate25D 24 · R 1—
Idaho House of Representatives35D 12 · R 58—
Idaho State Senate35D 7 · R 28—
Illinois House of Representatives118D 71 · R 47—
Illinois State Senate59D 40 · R 19—
Indiana House of Representatives100D 31 · R 69—
Indiana State Senate25D 7 · R 18—
Iowa House of Representatives100D 47 · R 53—
Iowa State Senate26D 13 · R 13—
Kansas House of Representatives125D 33 · R 92—
Kansas State Senate40D 8 · R 32—
Kentucky House of Representatives100D 55 · R 45—
Kentucky State Senate19D 9 · R 10—
Maine House of Representatives151D 89 · R 58 · Other 4—
Maine State Senate35D 19 · R 15 · Other 1—
Massachusetts House of Representatives160D 131 · R 29—
Massachusetts State Senate40D 36 · R 4—
Michigan House of Representatives110D 51 · R 59—
Minnesota House of Representatives134D 73 · R 61—
Minnesota State Senate67D 39 · R 28—
Missouri House of Representatives163D 53 · R 110—
Missouri State Senate17D 6 · R 11—
Montana House of Representatives100D 39 · R 61—
Montana State Senate26D 13 · R 13—
Nebraska Legislature26Other 26—
Nevada State Assembly42D 26 · R 16—
Nevada State Senate12D 8 · R 4—
New Hampshire House of Representatives204D 221 · R 179—
New Hampshire State Senate24D 11 · R 13—
New Mexico House of Representatives70D 39 · R 31—
New Mexico State Senate42D 25 · R 17—
New York State Assembly150D 107 · R 43—
New York State Senate63D 32 · R 31—
North Carolina House of Representatives120D 43 · R 77—
North Carolina State Senate50D 17 · R 33—
North Dakota House of Representatives25D 14 · R 36—
North Dakota State Senate25D 10 · R 15—
Ohio House of Representatives99D 39 · R 60—
Ohio State Senate18D 3 · R 15—
Oklahoma House of Representatives101D 29 · R 72—
Oklahoma State Senate24D 5 · R 19—
Oregon House of Representatives60D 34 · R 26—
Oregon State Senate16D 8 · R 8—
Pennsylvania House of Representatives203D 92 · R 111—
Pennsylvania State Senate25D 13 · R 12—
Rhode Island House of Representatives75D 69 · R 6—
Rhode Island State Senate38D 32 · R 5 · Other 1—
South Carolina House of Representatives124D 46 · R 78—
South Carolina State Senate46D 18 · R 27 · Other 1—
South Dakota House of Representatives37D 17 · R 53—
South Dakota State Senate35D 7 · R 28—
Tennessee House of Representatives99D 28 · R 70 · Other 1—
Tennessee State Senate16D 1 · R 15—
Texas House of Representatives150D 55 · R 95—
Texas State Senate31D 12 · R 19—
Utah House of Representatives75D 14 · R 61—
Utah State Senate16D 1 · R 15—
Vermont House of Representatives104D 101 · R 44 · Other 5—
Vermont State Senate13D 25 · R 5—
Washington House of Representatives98D 55 · R 43—
Washington State Senate26D 12 · R 14—
West Virginia House of Delegates67D 54 · R 46—
West Virginia State Senate17D 11 · R 6—
Wisconsin State Assembly99D 39 · R 60—
Wisconsin State Senate16D 8 · R 8—
Wyoming House of Representatives60D 9 · R 51—
Wyoming State Senate15D 2 · R 13—

Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Harvard Dataverse / Carl Klarner