| MSA County | Excluded | Reason Excluded |
|---|
| Washington, DC-MD-VA-WV PMSA | Berkeley County, WV | Core data from West Virginia were not available. |
| Washington, DC-MD-VA-WV PMSA | Jefferson County, WV | Core data from West Virginia were not available |
| St. Louis, MO-IL MSA | Part of Crawford County, MO | A large portion of the county lies outside the St. Louis, MO-IL MSA. |
| Boston, MA-NH PMSA | Rockingham County, NH | Core data from New Hampshire were not available. |
| Memphis, TN-AR-MS MSA | DeSoto County, MS | Core data from Mississippi were not available. |
| Norfolk-Virginia Beach-Newport News, VA-NC MSA | Currituck County, NC | To be included in the next version of the data book. |