By union strength
| State | Share | Rank |
|---|---|---|
| AL | 87.6% | 32 |
| AK | 83.3 | 37 |
| AZ | 75.8 | 1 |
| AR | 80.4 | 4 |
| CA | 89.5 | 46 |
| CO | 77.6 | 17 |
| CT | 81.7 | 35 |
| DE | 79.5 | 33 |
| DC | 58.2 | 19 |
| FL | 85.7 | 2 |
| GA | 80.8 | 7 |
| HI | 74.4 | 51 |
| ID | 84.5 | 16 |
| IL | 85.3 | 44 |
| IN | 82.6 | 21 |
| IA | 83.4 | 25 |
| KS | 85.1 | 20 |
| KY | 81.7 | 24 |
| LA | 86.6 | 10 |
| ME | 90.5 | 30 |
| MD | 80.7 | 29 |
| MA | 84.5 | 31 |
| MI | 93.6 | 36 |
| MN | 81.9 | 38 |
| MS | 70.0 | 6 |
| MO | 79.5 | 14 |
| MT | 88.3 | 49 |
| NE | 83.2 | 26 |
| NV | 84.0 | 27 |
| NH | 84.0 | 22 |
| NJ | 86.4 | 45 |
| NM | 76.4 | 15 |
| NY | 83.2 | 43 |
| NC | 80.5 | 12 |
| ND | 78.9 | 28 |
| OH | 88.3 | 40 |
| OK | 84.8 | 9 |
| OR | 88.8 | 50 |
| PA | 82.3 | 48 |
| RI | 86.0 | 47 |
| SC | 76.8 | 3 |
| SD | 84.0 | 18 |
| TN | 85.0 | 11 |
| TX | 78.3 | 8 |
| UT | 78.0 | 13 |
| VT | 80.1 | 41 |
| VA | 82.5 | 5 |
| WA | 87.8 | 42 |
| WV | 82.0 | 39 |
| WI | 87.6 | 34 |
| WY | 83.7 | 23 |