South Carolina has the lowest union coverage rates of any state: Union coverage rates by state, 2023
| State | 2023 Union coverage |
|---|---|
| Hawaii | 25.5% |
| New York | 21.5% |
| Washington | 18.1% |
| New Jersey | 17.3% |
| California | 16.9% |
| Connecticut | 16.9% |
| Vermont | 15.4% |
| Alaska | 15.2% |
| Oregon | 15.0% |
| Nevada | 14.5% |
| Pennsylvania | 14.2% |
| Michigan | 14.1% |
| Minnesota | 14.1% |
| Illinois | 13.6% |
| Massachusetts | 13.5% |
| Ohio | 13.5% |
| Rhode Island | 13.3% |
| Montana | 13.0% |
| Maryland | 12.8% |
| Kentucky | 11.2% |
| New Hampshire | 10.9% |
| Maine | 10.8% |
| Kansas | 10.5% |
| District of Columbia | 10.4% |
| Missouri | 10.4% |
| Delaware | 10.1% |
| West Virginia | 10.1% |
| Mississippi | 9.8% |
| Nebraska | 9.4% |
| New Mexico | 9.0% |
| Indiana | 9.0% |
| Iowa | 8.7% |
| Alabama | 8.6% |
| Colorado | 8.6% |
| Utah | 8.4% |
| Wisconsin | 8.4% |
| Oklahoma | 7.8% |
| North Dakota | 7.5% |
| Tennessee | 6.9% |
| Wyoming | 6.6% |
| Florida | 6.1% |
| Arkansas | 5.8% |
| Virginia | 5.6% |
| Texas | 5.4% |
| Georgia | 5.4% |
| Idaho | 5.4% |
| Louisiana | 5.1% |
| Arizona | 4.8% |
| South Dakota | 4.2% |
| North Carolina | 3.3% |
| South Carolina |
3.0% |
Source: EPI analysis of Current Population Survey (CPS).