Middlesex County, Massachusetts
Middlesex County, Massachusetts, had an estimated population of 1,669,979 in 2025 across 2,118 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Massachusetts's counties and nationally.
- Population
- 1,669,979
- 2025 estimate
- Area
- 2,118 km²
- Density
- 788
- per km²
- Median income
- $130,847
- household, ACS 2024
- Median age
- 38.9
- years, ACS 2024
How Massachusetts's counties spread
Amenities & Infrastructure
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| Households with Broadband2024 | 94.7% | 4 / 14 | 89 / 3,144 |
| Median Gross Rent2024 | $2,201 | 2 / 14 | 19 / 3,137 |
| Median Home Value2024 | $727,800 | 3 / 14 | 45 / 3,139 |
| Owner-Occupied Homes2024 | 61.3% | 13 / 14 | 2,880 / 3,144 |
| Vacant Homes2024 | 4.5% | 13 / 14 | 3,026 / 3,144 |
Demography
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| Aged 65 and Over2024 | 16.3% | 12 / 14 | 2,557 / 3,144 |
| American Indian & Alaska Native2024 | 0.1% | 3 / 14 | 1,566 / 3,144 |
| Asian, non-Hispanic2024 | 13.6% | 1 / 14 | 37 / 3,144 |
| Average Household Size2024people | 2.5 | 7 / 14 | 1,141 / 3,144 |
| Black, non-Hispanic2024 | 4.7% | 7 / 14 | 1,132 / 3,144 |
| Foreign-Born2024 | 23.1% | 2 / 14 | 80 / 3,144 |
| Hispanic or Latino2024 | 9.3% | 7 / 14 | 939 / 3,144 |
| Median Age2024years | 38.9 | 12 / 14 | 2,319 / 3,144 |
| Sex Ratio2024per 1,000 males | 1,025 | 12 / 14 | 935 / 3,144 |
| Speak a Language Other Than English2024 | 29.1% | 2 / 14 | 215 / 3,144 |
| Under 182024 | 19.5% | 8 / 14 | 2,407 / 3,144 |
| Veterans2024 | 3.3% | 13 / 14 | 3,066 / 3,144 |
| White, non-Hispanic2024 | 65.1% | 11 / 14 | 2,229 / 3,144 |
Economy
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| Below Poverty Line2024 | 7.7% | 9 / 14 | 2,816 / 3,144 |
| Households on SNAP2024 | 9.3% | 13 / 14 | 2,072 / 3,144 |
| Income Inequality2024index | 0.475 | 7 / 14 | 654 / 3,144 |
| Median Household Income2024 | $130,847 | 2 / 14 | 29 / 3,143 |
| Per Capita Income2024 | $69,556 | 4 / 14 | 29 / 3,144 |
| Unemployment Rate2024 | 4.4% | 13 / 14 | 1,539 / 3,144 |
Education
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| Bachelor's Degree or Higher2024 | 59.5% | 1 / 14 | 27 / 3,144 |
| High School or Higher2024 | 93.2% | 7 / 14 | 702 / 3,144 |
Health Coverage
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| No Health Insurance2024 | 2.4% | 9 / 14 | 3,111 / 3,144 |
| With a Disability2024 | 9.9% | 12 / 14 | 3,017 / 3,144 |
Population & Density
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| Population2025 | 1,669,979 | 1 / 14 | 20 / 3,144 |
| Population Density2025/km² | 788 | 2 / 14 | 73 / 3,144 |
Work & Commute
| Indicator | Value | In Massachusetts | In the US |
|---|---|---|---|
| Commute by Public Transit2024 | 7.2% | 3 / 14 | 32 / 3,144 |
| Households with No Vehicle2024 | 10.3% | 3 / 14 | 223 / 3,144 |
| Mean Commute Time2024minutes | 29.9 | 4 / 14 | 501 / 3,143 |
| Work from Home2024 | 24.7% | 1 / 14 | 47 / 3,144 |
Compare Middlesex County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.