By union strength
| State | Share | Rank |
|---|---|---|
| AL | 85.5% | 32 |
| AK | 87.6 | 37 |
| AZ | 69.7 | 1 |
| AR | 76.9 | 4 |
| CA | 84.9 | 46 |
| CO | 74.0 | 17 |
| CT | 62.3 | 35 |
| DE | 76.7 | 33 |
| DC | 51.3 | 19 |
| FL | 82.0 | 2 |
| GA | 78.1 | 7 |
| HI | 71.7 | 51 |
| ID | 79.7 | 16 |
| IL | 86.4 | 44 |
| IN | 78.7 | 21 |
| IA | 78.2 | 25 |
| KS | 84.5 | 20 |
| KY | 79.2 | 24 |
| LA | 85.2 | 10 |
| ME | 91.5 | 30 |
| MD | 69.4 | 29 |
| MA | 87.1 | 31 |
| MI | 94.9 | 36 |
| MN | 71.1 | 38 |
| MS | 68.9 | 6 |
| MO | 75.5 | 14 |
| MT | 86.3 | 49 |
| NE | 71.2 | 26 |
| NV | 81.1 | 27 |
| NH | 72.3 | 22 |
| NJ | 91.3 | 45 |
| NM | 77.0 | 15 |
| NY | 74.2 | 43 |
| NC | 78.1 | 12 |
| ND | 88.0 | 28 |
| OH | 93.3 | 40 |
| OK | 84.8 | 9 |
| OR | 83.2 | 50 |
| PA | 72.7 | 48 |
| RI | 91.8 | 47 |
| SC | 75.3 | 3 |
| SD | 86.8 | 18 |
| TN | 84.8 | 11 |
| TX | 76.2 | 8 |
| UT | 78.9 | 13 |
| VT | 77.7 | 41 |
| VA | 67.6 | 5 |
| WA | 81.7 | 42 |
| WV | 79.7 | 39 |
| WI | 88.0 | 34 |
| WY | 89.8 | 23 |