Massachusetts Counties and GEOIDs
14 counties in Massachusetts
| County | FIPS Code | Tracts |
|---|---|---|
| Barnstable County | 25001 | 57 |
| Berkshire County | 25003 | 39 |
| Bristol County | 25005 | 126 |
| Dukes County | 25007 | 5 |
| Essex County | 25009 | 163 |
| Franklin County | 25011 | 18 |
| Hampden County | 25013 | 103 |
| Hampshire County | 25015 | 36 |
| Middlesex County | 25017 | 318 |
| Nantucket County | 25019 | 6 |
| Norfolk County | 25021 | 130 |
| Plymouth County | 25023 | 101 |
| Suffolk County | 25025 | 204 |
| Worcester County | 25027 | 172 |