By union strength
| State | Share | Rank |
|---|---|---|
| AL | 95.8 | 32 |
| AK | 93.3 | 37 |
| AZ | 82.9 | 1 |
| AR | 92.7 | 4 |
| CA | 88.5 | 46 |
| CO | 84.7 | 17 |
| CT | 89.4 | 35 |
| DE | 94.9 | 33 |
| DC | 62.7 | 19 |
| FL | 91.8 | 2 |
| GA | 93.5 | 7 |
| HI | 86.1 | 51 |
| ID | 95.6 | 16 |
| IL | 98.2 | 44 |
| IN | 97.3 | 21 |
| IA | 91.6 | 25 |
| KS | 97.0 | 20 |
| KY | 93.2 | 24 |
| LA | 88.5 | 10 |
| ME | 93.9 | 30 |
| MD | 94.2 | 29 |
| MA | 89.3 | 31 |
| MI | 94.1 | 36 |
| MN | 95.6 | 38 |
| MS | 91.9 | 6 |
| MO | 95.3 | 14 |
| MT | 95.1 | 49 |
| NE | 98.0 | 26 |
| NV | 87.9 | 27 |
| NH | 95.7 | 22 |
| NJ | 94.8 | 45 |
| NM | 93.0 | 15 |
| NY | 89.3 | 43 |
| NC | 83.4 | 12 |
| ND | 93.5 | 28 |
| OH | 91.7 | 40 |
| OK | 92.9 | 9 |
| OR | 93.3 | 50 |
| PA | 93.8 | 48 |
| RI | 99.2 | 47 |
| SC | 90.9 | 3 |
| SD | 96.9 | 18 |
| TN | 93.3 | 11 |
| TX | 93.1 | 8 |
| UT | 91.8 | 13 |
| VT | 96.0 | 41 |
| VA | 88.9 | 5 |
| WA | 93.3 | 42 |
| WV | 94.3 | 39 |
| WI | 93.2 | 34 |
| WY | 97.2 | 23 |