By union strength
| State | Share | Rank |
|---|---|---|
| AL | 95.6% | 32 |
| AK | 95.4 | 37 |
| AZ | 79.5 | 1 |
| AR | 90.7 | 4 |
| CA | 84.4 | 46 |
| CO | 84.4 | 17 |
| CT | 80.8 | 35 |
| DE | 96.3 | 33 |
| DC | 56.7 | 19 |
| FL | 90.7 | 2 |
| GA | 91.8 | 7 |
| HI | 98.6 | 51 |
| ID | 96.1 | 16 |
| IL | 97.9 | 44 |
| IN | 96.3 | 21 |
| IA | 87.5 | 25 |
| KS | 94.6 | 20 |
| KY | 92.1 | 24 |
| LA | 88.0 | 10 |
| ME | 93.1 | 30 |
| MD | 84.4 | 29 |
| MA | 81.2 | 31 |
| MI | 91.9 | 36 |
| MN | 96.0 | 38 |
| MS | 92.9 | 6 |
| MO | 92.7 | 14 |
| MT | 93.0 | 49 |
| NE | 94.6 | 26 |
| NV | 85.2 | 27 |
| NH | 10.0 | 22 |
| NJ | 10.0 | 45 |
| NM | 90.9 | 15 |
| NY | 86.1 | 43 |
| NC | 79.4 | 12 |
| ND | 94.7 | 28 |
| OH | 95.6 | 40 |
| OK | 94.4 | 9 |
| OR | 91.3 | 50 |
| PA | 93.5 | 48 |
| RI | 97.2 | 47 |
| SC | 87.0 | 3 |
| SD | 85.6 | 18 |
| TN | 92.8 | 11 |
| TX | 93.1 | 8 |
| UT | 84.4 | 13 |
| VT | 90.2 | 41 |
| VA | 77.4 | 5 |
| WA | 89.2 | 42 |
| WV | 93.8 | 39 |
| WI | 91.5 | 34 |
| WY | 96.1 | 23 |