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 | Key | Region |
|---|---|---|
| Alabama | 3 | South |
| Alaska | 0 | West |
| Arizona | 0 | West |
| Arkansas | 3 | South |
| California | 0 | West |
| Colorado | 0 | West |
| Connecticut | 2 | Northeast |
| Delaware | 3 | South |
| Florida | 3 | South |
| Georgia | 3 | South |
| Hawaii | 0 | West |
| Idaho | 0 | West |
| Illinois | 1 | Midwest |
| Indiana | 1 | Midwest |
| Iowa | 1 | Midwest |
| Kansas | 1 | Midwest |
| Kentucky | 3 | South |
| Louisiana | 3 | South |
| Maine | 2 | Northeast |
| Maryland | 3 | South |
| Massachusetts | 2 | Northeast |
| Michigan | 1 | Midwest |
| Minnesota | 1 | Midwest |
| Mississippi | 3 | South |
| Missouri | 1 | Midwest |
| Montana | 1 | Midwest |
| Nebraska | 1 | Midwest |
| Nevada | 0 | West |
| New Hampshire | 2 | Northeast |
| New Jersey | 2 | Northeast |
| New Mexico | 0 | West |
| New York | 2 | Northeast |
| North Carolina | 3 | South |
| North Dakota | 1 | Midwest |
| Ohio | 1 | Midwest |
| Oklahoma | 3 | South |
| Oregon | 0 | West |
| Pennsylvania | 2 | Northeast |
| Rhode Island | 2 | Northeast |
| South Carolina | 3 | South |
| South Dakota | 1 | Midwest |
| Tennessee | 3 | South |
| Texas | 3 | South |
| Utah | 0 | West |
| Vermont | 2 | Northeast |
| Virginia | 3 | South |
| Washington | 0 | West |
| Washington D.C. | 3 | South |
| West Virginia | 3 | South |
| Wisconsin | 1 | Midwest |
| Wyoming | 0 | West |
Source: U.S. Census Bureau. 2021a. “Geographic Levels.” Last modified October 2021.