Massachusetts Demographics
Massachusetts is the 15th most populous of 52 states in the United States, with 7,029,598 residents across 7,801 square miles. That is about 901 people per square mile. 91% of residents live in urban areas.
At the 2020 census
| Population | 7,029,598 |
|---|---|
| Land area | 7,801 sq mi |
| Density | 901 / sq mi |
| Urban share | 91% |
Data: 2020 Census · American Community Survey 2024
How Massachusetts compares to the US
We're computing this state's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Massachusetts
Measured from the state's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Massachusetts — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Counties in Massachusetts
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Middlesex County | 1,631,987 | 817.9 | 1,995 |
| Worcester County | 862,111 | 1,510.7 | 571 |
| Essex County | 808,978 | 492.5 | 1,643 |
| Suffolk County | 797,793 | 58.3 | 13,695 |
| Norfolk County | 725,832 | 396.1 | 1,832 |
| Bristol County | 579,320 | 553.1 | 1,047 |
| Plymouth County | 530,767 | 658.5 | 806 |
| Hampden County | 465,844 | 617.0 | 755 |
| Barnstable County | 228,733 | 394.2 | 580 |
| Hampshire County | 162,308 | 527.2 | 308 |
| Berkshire County | 129,026 | 926.9 | 139 |
| Franklin County | 71,029 | 699.2 | 102 |
| Dukes County | 20,600 | 103.2 | 200 |
| Nantucket County | 14,255 | 46.2 | 309 |
Largest cities in Massachusetts
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Boston, MA | 675,257 | 48.3 | 13,969 |
| Worcester, MA | 206,528 | 37.4 | 5,528 |
| Springfield, MA | 155,929 | 31.9 | 4,893 |
| Cambridge, MA | 118,415 | 6.4 | 18,511 |
| Lowell, MA | 115,554 | 13.6 | 8,490 |
| Brockton, MA | 105,643 | 21.3 | 4,952 |
| Quincy, MA | 101,608 | 16.6 | 6,131 |
| Lynn, MA | 101,253 | 10.7 | 9,429 |
| New Bedford, MA | 101,043 | 20.0 | 5,052 |
| Fall River, MA | 94,006 | 33.1 | 2,838 |
| Lawrence, MA | 89,038 | 6.9 | 12,849 |
| Newton, MA | 88,908 | 17.8 | 4,987 |
Showing the 12 most populous of 248 — the rest are shown on the map.
Related places
Nearest states
About this page
This page shows demographics for a US state from the 2020 census and the American Community Survey: population, land area, density, and how the state compares to national averages for income, housing, age, and more.
Use the links below to drill into the state's counties and largest cities, or open any point of the state in the radius tool to measure the population within a distance or drive time.