Fastest growing counties in Massachusetts.
County | Rank | Change (2020) | 2024 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Hampshire County | 1 | 10.82% | 162,486 | 146,616 |
| Barnstable County | 2 | 1.48% | 231,392 | 228,012 |
| Nantucket County | 3 | 1.46% | 14,445 | 14,237 |
| Plymouth County | 4 | 1.35% | 537,368 | 530,200 |
| Worcester County | 5 | 1.3% | 870,859 | 859,669 |
| Bristol County | 6 | 1.24% | 583,938 | 576,772 |
| Essex County | 7 | 0.73% | 813,679 | 807,791 |
| Norfolk County | 8 | 0.68% | 729,477 | 724,554 |
| Dukes County | 9 | 0.4% | 20,676 | 20,593 |
| Middlesex County | 10 | 0.18% | 1,631,110 | 1,628,235 |
| Franklin County | 11 | -0.35% | 70,677 | 70,923 |
| Hampden County | 12 | -0.97% | 459,824 | 464,311 |
| Berkshire County | 13 | -1.97% | 126,089 | 128,619 |
| Suffolk County | 14 | -3.66% | 768,038 | 797,181 |