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Massachusetts counties
14 counties in Massachusetts, sorted by population. Every county's ZIPs are included in the Massachusetts CSV — $7.
| County | ZIP codes | Population | Median HH income | |
|---|---|---|---|---|
| Middlesex | 83 | 1.7M | $138,527 | View → |
| Worcester | 87 | 881.6K | $100,258 | View → |
| Essex | 46 | 876.6K | $109,760 | View → |
| Suffolk | 37 | 826.1K | $102,247 | View → |
| Norfolk | 41 | 768.3K | $137,366 | View → |
| Bristol | 35 | 582.2K | $89,451 | View → |
| Plymouth | 36 | 546.2K | $118,378 | View → |
| Hampden | 40 | 465.4K | $73,735 | View → |
| Barnstable | 48 | 233.8K | $98,258 | View → |
| Hampshire | 27 | 164.5K | $87,832 | View → |
| Berkshire | 36 | 132.2K | $78,957 | View → |
| Franklin | 32 | 100.6K | $75,126 | View → |
| Dukes | 7 | 21.7K | $127,791 | View → |
| Nantucket | 3 | 14.5K | $140,938 | View → |