Suffolk County's estimated 2026 population is 790,247 with a growth rate of -0.21% 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 8.88% since that time.
Data after 2023 is projected based on recent change
Overall: 33.9 years
Female: 34.2 years
Male: 33.6 years
There are 659,309 adults, (104,159 of whom are seniors) in Suffolk County.
Female: 406,361 (51.8%)
Male: 378,760 (48.2%)
The racial composition of Suffolk County includes 46.16% White, 18.23% Black or African American, 9.26% Asian, 8.32% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 362,430 | 46.16% |
| Black or African American | 143,125 | 18.23% |
| Two or more races | 138,244 | 17.61% |
| Asian | 72,712 | 9.26% |
| Other race | 65,330 | 8.32% |
| Native American | 2,825 | 0.36% |
| Native Hawaiian or Pacific Islander | 455 | 0.06% |
Suffolk County's average per capita income is $66,348. Household income levels show a median of $95,631. The poverty rate stands at 16.18%.
Name | Median | Mean |
|---|---|---|
| Married Families | $154,898 | $213,080 |
| Families | $112,072 | $165,027 |
| Households | $95,631 | $139,201 |
| Non Families | $77,857 | $111,308 |
Average Income
Median Household Income
Poverty Rate