From Ballotpedia There were 6,015 state legislative districts, in 44 states, with a seat up for election on November 6, 2012. We took a look at each of the states to see how many state legislative incumbents who chose to run for re-election in 2012 faced a primary challenger.
Our main findings:
| State | Senate at stake | Senate Incumbents w/ primary | House at stake | House Incumbents w/ primary | Total Incumbents w/ primary | % w/ primary | Primary challenger rank | Overall competitive rank |
|---|---|---|---|---|---|---|---|---|
| Alaska | 19 | 6 | 40 | 11 | 17 | 32.1% | 16 | 16 |
| Arizona | 30 | 6 | 60 | 21 | 27 | 45.8% | 3 | 12 |
| Arkansas | 35 | 7 | 100 | 6 | 13 | 14.8% | 34 | 29 |
| California | 20 | 3 | 80 | 17 | 20 | 35.7% | 10 | 1 |
| Colorado | 20 | 1 | 65 | 3 | 4 | 7.6% | 41 | 11 |
| Connecticut | 36 | 1 | 151 | 5 | 6 | 3.7% | 44 | 26 |
| Delaware | 21 | 4 | 41 | 6 | 10 | 18.9% | 28 | 40 |
| Florida | 40 | 5 | 120 | 31 | 36 | 32.7% | 15 | 21 |
| Georgia | 56 | 14 | 180 | 35 | 49 | 23.3% | 23 | 43 |
| Hawaii | 25 | 9 | 51 | 18 | 27 | 38% | 8 | 24 |
| Idaho | 35 | 12 | 70 | 21 | 33 | 47.8% | 1 | 4 |
| Illinois | 59 | 14 | 118 | 18 | 32 | 21.9% | 24 | 39 |
| Indiana | 25 | 5 | 100 | 13 | 18 | 17.5% | 31 | 31 |
| Iowa | 26 | 3 | 100 | 13 | 16 | 16.2% | 33 | 23 |
| Kansas | 40 | 20 | 125 | 33 | 53 | 41.7% | 4 | 7 |
| Kentucky | 19 | 4 | 100 | 18 | 22 | 20.8% | 25 | 38 |
| Maine | 35 | 0 | 151 | 5 | 5 | 4.1% | 43 | 9 |
| Massachusetts | 40 | 5 | 160 | 16 | 21 | 11.1% | 38 | 44 |
| Michigan | - | - | 110 | 36 | 36 | 39.1% | 7 | 2 |
| Minnesota | 67 | 7 | 134 | 5 | 12 | 7.6% | 40 | 13 |
| Missouri | 17 | 2 | 163 | 33 | 35 | 27.8% | 21 | 37 |
| Montana | 26 | 3 | 100 | 14 | 17 | 20.7% | 26 | 10 |
| Nebraska | 26 | 5 | - | - | 5 | 29.4% | 20 | 5 |
| Nevada | 12 | 1 | 42 | 11 | 12 | 33.3% | 14 | 6 |
| New Hampshire | 24 | 3 | 400 | 141 | 144 | 46.5% | 2 | 3 |
| New Mexico | 42 | 12 | 70 | 17 | 29 | 31.9% | 17 | 27 |
| New York | 63 | 14 | 150 | 25 | 39 | 20.6% | 27 | 28 |
| North Carolina | 50 | 10 | 120 | 28 | 39 | 30.7% | 18 | 17 |
| North Dakota | 25 | 2 | 50 | 5 | 7 | 11.5% | 37 | 15 |
| Ohio | 17 | 1 | 99 | 14 | 15 | 14.6% | 35 | 18 |
| Oklahoma | 24 | 4 | 101 | 15 | 19 | 18.6% | 29 | 36 |
| Oregon | 16 | 2 | 60 | 2 | 4 | 6.2% | 42 | 30 |
| Pennsylvania | 25 | 4 | 203 | 33 | 37 | 18.5% | 30 | 41 |
| Rhode Island | 38 | 10 | 75 | 24 | 34 | 33.7% | 13 | 34 |
| South Carolina | 46 | 15 | 124 | 22 | 37 | 25.0% | 22 | 42 |
| South Dakota | 35 | 7 | 70 | 15 | 22 | 30.1% | 19 | 14 |
| Tennessee | 16 | 5 | 99 | 32 | 37 | 37.8% | 9 | 25 |
| Texas | 31 | 6 | 150 | 45 | 51 | 34.7% | 12 | 33 |
| Utah | 16 | 8 | 75 | 23 | 31 | 39.7% | 6 | 8 |
| Vermont | 30 | 9 | 150 | 4 | 13 | 8.4% | 39 | 32 |
| Washington | 26 | 5 | 98 | 9 | 14 | 14.3% | 36 | 22 |
| West Virginia | 17 | 3 | 100 | 37 | 40 | 40.8% | 5 | 20 |
| Wisconsin | 16 | 2 | 99 | 14 | 16 | 17.0% | 32 | 19 |
| Wyoming | 15 | 7 | 60 | 14 | 21 | 35% | 11 | 35 |
| Totals: | 1,301 | 267 | 4,714 | 908 | 1,175 | 24.6% | NA | NA |
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Categories: [Competitiveness analysis of state legislative elections, 2012] [State_legislative_incumbents_in_contested_primaries]