| State | County | Exists in | Included in data book MSA |
|---|---|---|---|
| Connecticut | Hartford County | Part Hartford, CT, MSA | Hartford, CT, MSA |
| Litchfield County | Part Hartford, CT, MSA Part Danbury, CT, PMSA Part Waterbury, CT, PMSA | Not included | |
| Middlesex County | Part Hartford, CT, MSA Part New Haven-Meriden, CT, PMSA Part New London-Norwich, CT-RI, MSA | Hartford, CT, MSA | |
| New Haven County | Part New Haven-Meriden, CT, PMSA Part Bridgeport, CT, PMSA Part Waterbury, CT, PMSA | New Haven-Meriden, CT, MSA | |
| New London County | Part Hartford, CT, MSA Part New London-Norwich, CT-RI, MSA | New Haven-Meriden, CT, PMSA | |
| Tolland County | Part Hartford, CT, MSA | Hartford, CT, MSA | |
| Windham County | Part Hartford, CT, MSA Part New London-Norwich, CT-RI, MSA Part Worcester, MA-CT, PMSA | Not included | |
| Maine | Cumberland County | Part Portland, ME, MSA Portland, ME, MSA | |
| York County | Part Portland, ME, MSA Part Portsmouth-Rochester, NH-ME, PMSA | Not included | |
| Massachusetts | Bristol County | Part Providence-Fall River-Warwick, RI-MA, MSA Part Boston, MA-NH, PMSA Part Brockton, MA, PMSA Part New Bedford, MA, PMSA | Providence-Fall River-Warwick, RI-MA, MSA |
| Essex County | Part Boston, MA-NH, PMSA Part Lawrence, MA-NH, PMSA | Boston, MA-NH, PMSA | |
| Franklin County | Part Springfield, MA, MSA | Not included | |
| Hampden County | Part Springfield, MA, MSA Part Worcester, MA-CT, PMSA | Springfield, MA, MSA | |
| Hampshire County | Part Springfield, MA, MSA | Springfield, MA, MSA | |
| Middlesex County | Part Boston, MA-NH, PMSA Part Fitchburg-Leominster, MA, PMSA Part Lowell, MA-NH, PMSA | Boston, MA-NH, PMSA | |
| Norfolk County | Part Boston, MA-NH, PMSA Part Brockton, MA, PMSA | Boston, MA-NH, PMSA | |
| Plymouth County | Part Boston, MA-NH, PMSA | Boston, MA-NH, PMSA | |
| Suffolk County | Part Boston, MA-NH, PMSA | Boston, MA-NH, PMSA | |
| Worcester County | Part Worcester, MA-CT, PMSA Part Boston, MA-NH, PMSA Part Fitchburg-Leominster, MA, PMSA | Worcester, MA-CT, PMSA | |
| Rhode Island | Bristol County | Part Providence-Fall River-Warwick, RI-MA, MSA | Providence-Fall River-Warwick, RI-MA, MSA |
| Kent County | Part Providence-Fall River-Warwick, RI-MA, MSA | Providence-Fall River-Warwick, RI-MA, MSA | |
| Newport County | Part Providence-Fall River-Warwick, RI-MA, MSA | Not included | |
| Providence County | Providence-Fall River-Warwick,RI-MA, MSA | Providence-Fall River-Warwick, RI-MA, MSA | |
| Washington County | Part Providence-Fall River-Warwick, RI-MA, MSA | Providence-Fall River-Warwick, RI-MA, MSA |