By union strength
| State | Share | Rank |
|---|---|---|
| AL | 89.6% | 32 |
| AK | 63.6 | 37 |
| AZ | 64.2 | 1 |
| AR | 73.0 | 4 |
| CA | 79.6 | 46 |
| CO | 86.6 | 17 |
| CT | 90.0 | 35 |
| DE | 79.7 | 33 |
| DC | 77.5 | 19 |
| FL | 68.1 | 2 |
| GA | 83.8 | 7 |
| HI | 79.9 | 51 |
| ID | 75.6 | 16 |
| IL | 86.3 | 44 |
| IN | 97.0 | 21 |
| IA | 86.6 | 25 |
| KS | 86.5 | 20 |
| KY | 92.9 | 24 |
| LA | 44.7 | 10 |
| ME | 71.2 | 30 |
| MD | 85.4 | 29 |
| MA | 83.8 | 31 |
| MI | 95.3 | 36 |
| MN | 96.5 | 38 |
| MS | 78.6 | 6 |
| MO | 83.0 | 14 |
| MT | 73.6 | 49 |
| NE | 92.5 | 26 |
| NV | 78.6 | 27 |
| NH | 88.8 | 22 |
| NJ | 79.7 | 45 |
| NM | 80.4 | 15 |
| NY | 93.9 | 43 |
| NC | 81.0 | 12 |
| ND | 93.1 | 28 |
| OH | 88.6 | 40 |
| OK | 73.1 | 9 |
| OR | 81.9 | 50 |
| PA | 82.0 | 48 |
| RI | 95.3 | 47 |
| SC | 82.3 | 3 |
| SD | 86.1 | 18 |
| TN | 68.2 | 11 |
| TX | 80.0 | 8 |
| UT | 90.4 | 13 |
| VT | 89.5 | 41 |
| VA | 86.7 | 5 |
| WA | 74.4 | 42 |
| WV | 94.1 | 39 |
| WI | 77.4 | 34 |
| WY | 93.5 | 23 |