The South is made up of 16 states and the District of Columbia: Map of the four regions of the United States and the states that make up those regions
| State | Region | code |
|---|---|---|
| Alabama | South | 1 |
| Alaska | West | 2 |
| Arizona | West | 2 |
| Arkansas | South | 1 |
| California | West | 2 |
| Colorado | West | 2 |
| Connecticut | Northeast | 3 |
| Delaware | South | 1 |
| Washington D.C. | South | 1 |
| Florida | South | 1 |
| Georgia | South | 1 |
| Hawaii | West | 2 |
| Idaho | West | 2 |
| Illinois | Midwest | 4 |
| Indiana | Midwest | 4 |
| Iowa | Midwest | 4 |
| Kansas | Midwest | 4 |
| Kentucky | South | 1 |
| Louisiana | South | 1 |
| Maine | Northeast | 3 |
| Maryland | South | 1 |
| Massachusetts | Northeast | 3 |
| Michigan | Midwest | 4 |
| Minnesota | Midwest | 4 |
| Mississippi | South | 1 |
| Missouri | Midwest | 4 |
| Montana | West | 2 |
| Nebraska | Midwest | 4 |
| Nevada | West | 2 |
| New Hampshire | Northeast | 3 |
| New Jersey | Northeast | 3 |
| New Mexico | West | 2 |
| New York | Northeast | 3 |
| North Carolina | South | 1 |
| North Dakota | Midwest | 4 |
| Ohio | Midwest | 4 |
| Oklahoma | South | 1 |
| Oregon | West | 2 |
| Pennsylvania | Northeast | 3 |
| Rhode Island | Northeast | 3 |
| South Carolina | South | 1 |
| South Dakota | Midwest | 4 |
| Tennessee | South | 1 |
| Texas | South | 1 |
| Utah | West | 2 |
| Vermont | Northeast | 3 |
| Virginia | South | 1 |
| Washington | West | 2 |
| West Virginia | South | 1 |
| Wisconsin | Midwest | 4 |
| Wyoming | West | 2 |
Source: EPI analysis of U.S. Census Bureau 2021.