Suffolk County Flag

Suffolk County

State:
Massachusetts
County Seat:

Suffolk County's estimated 2025 population is 767,651 with a growth rate of -0.05% in the past year according to the most recent United States census data. Suffolk County is the 4th largest county in Massachusetts. The 2010 population was 725,786 and has seen a growth of 5.77% since that time.

767,651
Total Population
13,235
Population Density (mi²)
4
Population Rank (State)
-387 -0.05%
Annual Population Growth

Suffolk County Population

Suffolk County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Suffolk County includes 48.14% White, 19.09% Black or African American, 9.01% Asian, 7.76% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White376,55148.14%
Black or African American149,34219.09%
Two or more races121,61415.55%
Asian70,4849.01%
Other race60,6587.76%
Native American2,9400.38%
Native Hawaiian or Pacific Islander5830.07%

Suffolk County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Suffolk County's average per capita income is $64,022. Household income levels show a median of $92,859. The poverty rate stands at 16.46%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$155,877$208,523
Families$110,193$161,100
Households$92,859$136,155
Non Families$73,962$108,562

$64,022

Average Income

$92,859

Median Household Income

16.46%

Poverty Rate