Ranking of Massachusetts Counties By Population in 2015
Updated on January 28, 2024.
Based on the US Census Vintage data estimates, in 2015, the Population for Massachusetts was 6.80M. Among all Massachusetts counties, Middlesex County had the highest population (1.59M), followed by Worcester County (818.45K), and Suffolk County (783.18K).
The chart below shows the top 10 counties, and the table below shows the ranking of all Massachusetts counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
Related Topics: Massachusetts Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2015 Census.
See this for other years:
Ranking of Massachusetts Counties By Population in 2015
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| Rank | County | Population |
|---|---|---|
| 1 | Middlesex County | 1586107 |
| 2 | Worcester County | 818446 |
| 3 | Suffolk County | 783177 |
| 4 | Essex County | 777228 |
| 5 | Norfolk County | 694774 |
| 6 | Bristol County | 557104 |
| 7 | Plymouth County | 509413 |
| 8 | Hampden County | 469251 |
| 9 | Barnstable County | 214015 |
| 10 | Hampshire County | 160885 |
| 11 | Berkshire County | 127950 |
| 12 | Franklin County | 70911 |
| 13 | Dukes County | 17290 |
| 14 | Nantucket County | 10933 |