Suffolk County, Massachusetts

Suffolk County, Massachusetts, had an estimated population of 791,891 in 2025 across 151 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
791,891
2025 estimate
Area
151 km²
Density
5,248
per km²
Median income
$95,631
household, ACS 2024
Median age
33.9
years, ACS 2024
How Massachusetts's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202491.6%
Median Gross Rent2024$2,129
Median Home Value2024$705,800
Owner-Occupied Homes202436.5%
Vacant Homes20248.4%
Demography
IndicatorValue
Aged 65 and Over202413.3%
American Indian & Alaska Native20240.1%
Asian, non-Hispanic20249.2%
Average Household Size2024people2.3
Black, non-Hispanic202417.1%
Foreign-Born202429.8%
Hispanic or Latino202423.2%
Median Age2024years33.9
Sex Ratio2024per 1,000 males1,073
Speak a Language Other Than English202438.8%
Under 18202416.0%
Veterans20242.2%
White, non-Hispanic202443.6%
Economy
IndicatorValue
Below Poverty Line202416.2%
Households on SNAP202419.7%
Income Inequality2024index0.525
Median Household Income2024$95,631
Per Capita Income2024$58,636
Unemployment Rate20246.3%
Education
IndicatorValue
Bachelor's Degree or Higher202450.6%
High School or Higher202487.5%
Health Coverage
IndicatorValue
No Health Insurance20243.1%
With a Disability202412.6%
Population & Density
IndicatorValue
Population2025791,891
Population Density2025/km²5,248
Work & Commute
IndicatorValue
Commute by Public Transit202422.4%
Households with No Vehicle202431.6%
Mean Commute Time2024minutes30.9
Work from Home202419.9%
Compare Suffolk 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.