Incumbents defeated in 2012's state legislative elections

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Incumbents Defeated
in Legislative Elections
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2016 Election Results
201420122010

Historically, incumbents who run for re-election rarely lose in the primary—around 12 percent. Generally, another 8 percent of the remaining incumbents will be defeated in the general election. This page details the number of incumbents who were defeated in the 2012 state legislative elections.

Click here to navigate to candidate lists and election analysis for each state »

There were 194 incumbents defeated in primary elections. That includes:

Democratic Party 71 Democrats
Republican Party 123 Republicans

In the general election, there were 294 incumbents defeated. That includes:

Democratic Party 66 Democrats
Republican Party 224 Republicans
Grey.png 4 Third party[1]
State  Total in primary election   Total in general election   Total in 2012 
Alaska 2 9 11
Arizona 2 4 6
Arkansas 2 6 8
California 0 3 3
Colorado 2 4 6
Connecticut 4 4 8
Delaware 3 3 6
Florida 3 5 8
Georgien 12 3 15
Hawaii 5 3 8
Idaho 3 2 5
Illinois 6 4 10
Indiana 0 5 5
Iowa 3 9 12
Kansas 20 10 30
Kentucky 1 4 5
Maine 0 19 19
Massachusetts 4 4 8
Michigan 5 5 10
Minnesota 1 17 18
Missouri 7 6 13
Montana 4 8 12
Nebraska 0 2 2
Nevada 2 1 3
New Hampshire   22 79 101
New Mexico 5 8 13
New York 1 7 8
North Carolina 7 6 13
North Dakota 4 6 10
Ohio 1 2 3
Oklahoma 1 0 1
Oregon 2 4 6
Pennsylvania 5 1 6
Rhode Island 6 5 11
South Carolina 6 1 7
South Dakota 5 4 9
Tennessee 12 2 14
Texas 11 3 14
Utah 8 2 10
Vermont 0 6 6
Washington 0 4 4
West Virginia 2 8 10
Wisconsin 2 5 7
Wyoming 3 1 4
TOTALS 194 294 488

Preliminary study

On July 26, 2012, Ballotpedia released a preliminary study, Primary Change: Anti-Incumbency Voting Patterns in State Legislative Primaries, which looked at the results of primaries through the first few months of 2012 elections. The study concluded that with nearly 50 percent of primaries completed, the rate of success for challengers against incumbents in contested primaries was nearly double that of 2010. Through July 26, 76 incumbents had fallen to challengers in 513 contested races -- a rate of 14.8 percent.

Updates to study

Prior years

2011

Incumbents who lost in 2011 Elections

There were eight incumbents defeated in primary election. That includes:

Democratic Party 2 Democrats
Republican Party 6 Republicans

In the general election, there were 20 incumbents defeated. That includes:

Democratic Party 14 Democrats
Republican Party 6 Republicans
State  Total in primary election   Total in general election   Total in 2011 
Louisiana 0 5 5
Mississippi 8 11 19
New Jersey 0 0 0
Virginia 0 4 4
TOTALS 8 20 28

2010

Incumbents who lost in 2010 Elections

There were 112 incumbents defeated in primary election. That includes:

Democratic Party 56 Democrats
Republican Party 56 Republicans

In the general election, there were 502 incumbents defeated. That includes:

Democratic Party 482 Democrats
Republican Party 14 Republicans
Grey.png 14 Third party[1]
State  Total in primary election   Total in general election   Total in 2010 
Nationwide 116 495 611
Alabama 6 22 28
Alaska 0 3 3
Arizona 4 6 10
Arkansas 1 6 7
California 0 0 0
Colorado 0 7 7
Connecticut 1 13 14
Delaware 1 3 4
Florida 1 5 6
Georgien 5 3 8
Hawaii 1 1 2
Idaho 6 2 8
Illinois 1 7 8
Indiana 2 10 12
Iowa 2 18 20
Kansas 5 13 18
Kentucky 2 8 10
Maine 1 20 21
Maryland 11 3 14
Massachusetts 1 10 11
Michigan 0 9 9
Minnesota 2 34 36
Missouri 3 12 15
Montana 2 10 12
Nebraska 0 2 2
Nevada 1 2 3
New Hampshire 11 88 99
New Mexico 2 7 9
New York 4 11 15
North Carolina 5 20 25
North Dakota 0 12 12
Ohio 1 13 14
Oklahoma 1 6 7
Oregon 0 4 4
Pennsylvania 1 9 10
Rhode Island 10 4 14
South Carolina 5 3 8
South Dakota 1 9 10
Tennessee 2 13 15
Texas 7 21 28
Utah 2 6 8
Vermont 0 6 6
Washington 1 9 10
West Virginia 3 5 8
Wisconsin 1 13 14
Wyoming 0 7 7

See also

Footnotes

  1. 1.0 1.1 Two incumbents defeated in Nebraska are included in this total.