Suffolk County, Massachusetts
Located in Massachusetts, Suffolk County has a population of 785,121 residents and a median age of 33.9 years, making it the #83 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 16.2%. The median home value is $705,800, and the median household income is $95,631, which is 27% above the national median.
Demographics
Suffolk County has a population of 785,121, making it the #83 most populous county in the US. The median age is 33.9 years, which is 12.9% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Suffolk County is $95,631, ranking #213 out of 3,222 counties — 27.3% above the national median. The poverty rate is 16.2% and unemployment stands at 6.3%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Suffolk County is $705,800 (+150.4% vs national). Renters pay a median of $2,129/mo and the homeownership rate is 36.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Suffolk County, 50.6% of adults age 25+ hold a bachelor's degree or higher, which is 50.2% above the national average, ranking #93 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Suffolk County is 80.1 years. 17.0% of adults report poor or fair health and 3.1% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
12.5% of adults in Suffolk County smoke , 28.0% are obese , and 21.1% report excessive drinking. The drug overdose death rate is 42.1 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Suffolk County is 5.9 per 100,000 and the suicide rate is 6.3 per 100,000. Motor vehicle deaths occur at a rate of 4.4 per 100,000.
Homicide Rate Trend
Families & Children
20.3% of children in Suffolk County live in poverty and the infant mortality rate is 4.3 per 1,000 live births. The teen birth rate is 7.3 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Suffolk County is 60.8%. The mean commute time is 34.3 min, which is 24.4% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Suffolk County voted Democratic with a margin of 52.4%. The vote was 74.8% Dem / 22.4% Rep. Compared to 2020, the margin shifted 10.7 toward Republicans .
Vote Share Over Time
About Suffolk County, Massachusetts
Suffolk County, Massachusetts has a total population of 785,121, making it the 83rd most populous county in the United States. The median age in Suffolk County is 33.9 years, which is 12.9% below the national median of 38.9 years.
The median household income in Suffolk County is $95,631, which ranks #213 of 3,222 counties nationwide. This is 27.3% above the national median of $75,149. The poverty rate is 16.2%, higher than the national rate of 12.6%. The unemployment rate stands at 6.3%.
The median home value in Suffolk County is $705,800, 150.4% above the national median. Renters in Suffolk County pay a median gross rent of $2,129 per month. The homeownership rate is 36.5%, compared to the national rate of 64.4%.
In Suffolk County, 50.6% of residents aged 25 and older hold a bachelor's degree or higher, 50.2% above the national average of 33.7%. Health insurance coverage stands at 96.9% of the population. The average commute time for workers is 34.3 min.
Suffolk County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 43.6% of the population, followed by Hispanic or Latino (23.2%) and Black (non-Hispanic) (17.1%).
All data for Suffolk County, Massachusetts comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.