Dukes County's estimated 2026 population is 21,425 with a growth rate of 0.86% 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 29.28% since that time.
Data after 2023 is projected based on recent change
The racial composition of Dukes County includes 81.72% White, 3.33% Black or African American, 3% other race, and smaller percentages for Asian, Native American and multiracial populations.
White (81.72%)
Two or more races (9.42%)
Black or African American (3.33%)
Other race (3%)
Asian (1.39%)
Native American (1.14%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 16,958 | 81.72% |
| Two or more races | 1,955 | 9.42% |
| Black or African American | 691 | 3.33% |
| Other race | 622 | 3% |
| Asian | 288 | 1.39% |
| Native American | 237 | 1.14% |
Married
Widowed
Divorced
Separated
Never Married
Dukes County's average per capita income is $57,535. Household income levels show a median of $102,348. The poverty rate stands at 5.38%.
Name | Median | Mean |
|---|---|---|
| Married Families | $155,617 | - |
| Families | $141,907 | $225,965 |
| Households | $102,348 | $176,872 |
| Non Families | $60,216 | $86,335 |
Average Income
Median Household Income
Poverty Rate