Population of Massachusetts by County
Massachusetts counties by population provide a detailed snapshot based on the 2022 census data of the United States.
Which is the most populous county in Massachusetts?
Middlesex County in Massachusetts, USA, is the most populous county, with a resident population of 1,632,002 according to the 2022 US census data. With a 862,111 resident population Worcester County, MA ranks as the second most populated county in the state. Essex County with a population of 809,829 residents claims the third largest county by population in Massachusetts.
Which is the least populous county in Massachusetts
Nantucket County with a population of 14,255 residents, is recognized as the smallest county in Massachusetts by population.
| Rank | County | Population |
|---|---|---|
| 1 | Middlesex County | 1,632,002 |
| 2 | Worcester County | 862,111 |
| 3 | Essex County | 809,829 |
| 4 | Suffolk County | 797,936 |
| 5 | Norfolk County | 725,981 |
| 6 | Bristol County | 579,200 |
| 7 | Plymouth County | 530,819 |
| 8 | Hampden County | 465,825 |
| 9 | Barnstable County | 228,996 |
| 10 | Hampshire County | 162,308 |
| 11 | Berkshire County | 129,026 |
| 12 | Franklin County | 71,029 |
| 13 | Dukes County | 20,600 |
| 14 | Nantucket County | 14,255 |