Dukes County's estimated 2026 population is 21,084 with a growth rate of -0.64% in the past year according to the most recent United States census data. Dukes County is the 13th largest county in Massachusetts. The 2010 population was 16,573 and has seen a growth of 27.22% since that time.
Data after 2023 is projected based on recent change
Overall: 50.7 years
Female: 50.7 years
Male: 50.8 years
There are 17,420 adults, (5,538 of whom are seniors) in Dukes County.
Female: 10,808 (51.6%)
Male: 10,125 (48.4%)
The racial composition of Dukes County includes 80.54% White, 3.43% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 16,860 | 80.54% |
| Two or more races | 2,250 | 10.75% |
| Other race | 718 | 3.43% |
| Black or African American | 574 | 2.74% |
| Asian | 309 | 1.48% |
| Native American | 222 | 1.06% |
Dukes County's average per capita income is $61,739. Household income levels show a median of $125,786. The poverty rate stands at 4.43%.
Name | Median | Mean |
|---|---|---|
| Married Families | $163,407 | - |
| Families | $154,669 | $255,689 |
| Households | $125,786 | $205,357 |
| Non Families | $69,173 | $96,793 |
Average Income
Median Household Income
Poverty Rate