Middlesex County, Massachusetts Demographics 2026
Middlesex County, Massachusetts has a population of 1,622,896, the 1st most populous county in Massachusetts. The median household income is $126,779 and the median home value is $687,200. The poverty rate is 7.5%.
Middlesex County Quick Facts
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 51 | National average: 60
Education
Educational Attainment (Adults 25+)
Cities & Places in Middlesex County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Cambridge city | 117,794 | $126,469 | 12.4% | $1,040,500 |
| Lowell city | 114,799 | $76,205 | 16.0% | $395,100 |
| Newton city | 88,504 | $184,989 | 4.7% | $1,202,500 |
| Somerville city | 80,549 | $127,056 | 10.2% | $899,400 |
| Framingham city | 72,013 | $98,179 | 11.0% | $600,600 |
| Malden city | 65,509 | $95,298 | 13.3% | $607,500 |
| Waltham city | 64,723 | $116,560 | 8.6% | $705,700 |
| Medford city | 59,062 | $118,089 | 8.2% | $715,500 |
| Everett city | 49,236 | $79,658 | 15.4% | $605,200 |
| Marlborough city | 41,398 | $95,047 | 9.2% | $485,400 |
| Woburn city | 41,205 | $107,754 | 7.8% | $641,800 |
| Watertown Town city | 35,270 | $123,422 | 6.1% | $737,600 |
| Melrose city | 29,488 | $126,854 | 3.7% | $796,100 |
Explore Massachusetts Rankings
Population Overview
Middlesex County is located in Massachusetts with a total population of 1,622,896. It is the 1st most populous county out of 14 in Massachusetts. The county encompasses 13 Census-designated places.
Age Demographics
The median age in Middlesex County is 38.9 years. This is 3% lower than the state median of 40.0 years.
Economy, Income & Housing
The median household income in Middlesex County is $126,779. This is 25% higher than the state median of $101,341. Compared to the national median of $78,538, household income here is 61% higher. The poverty rate stands at 7.5%. This is 25% lower than the state poverty rate of 10.0%. The unemployment rate is 4.2%. This is 18% lower than the state rate of 5.1%. The median home value is $687,200. Housing costs are 31% higher than the state median of $525,800. The home-value-to-income ratio is 5.4x. 61.6% of occupied housing units are owner-occupied. This homeownership rate is 2% lower than the state average of 62.6%.
Race & Ethnicity
The largest racial or ethnic group in Middlesex County is White (non-Hispanic), making up 66.7% of the population. Asian residents account for 13.1%. The Asian population is significantly higher than the state average (13.1% vs 7.0%).
Education
59.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Middlesex County in the top 10% of all cities in the state for educational attainment. This is 27% higher than the state rate of 46.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.4%. Notably, 30.2% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Frequently Asked Questions
What is the population of Middlesex County, Massachusetts?
Middlesex County has a population of 1,622,896, making it the 1st most populous county in Massachusetts.
What is the median income in Middlesex County?
The median household income in Middlesex County is $126,779 with a poverty rate of 7.5%.
How many cities are in Middlesex County, Massachusetts?
Middlesex County contains 13 Census-designated places.