Dukes County, Massachusetts

Dukes County, Massachusetts, had an estimated population of 21,219 in 2025 across 267 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Massachusetts's counties and nationally.

Population
21,219
2025 estimate
Area
267 km²
Density
79
per km²
Median income
$125,786
household, ACS 2024
Median age
50.7
years, ACS 2024
How Massachusetts's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202495.0%
Median Gross Rent2024$1,277
Median Home Value2024$1,165,800
Owner-Occupied Homes202482.1%
Vacant Homes202457.4%
Demography
IndicatorValue
Aged 65 and Over202426.5%
American Indian & Alaska Native20241.0%
Asian, non-Hispanic20241.5%
Average Household Size2024people2.7
Black, non-Hispanic20242.7%
Foreign-Born202413.8%
Hispanic or Latino20243.3%
Median Age2024years50.7
Sex Ratio2024per 1,000 males1,067
Speak a Language Other Than English202414.1%
Under 18202416.8%
Veterans20246.2%
White, non-Hispanic202480.0%
Economy
IndicatorValue
Below Poverty Line20244.4%
Households on SNAP20246.6%
Income Inequality2024index0.553
Median Household Income2024$125,786
Per Capita Income2024$79,756
Unemployment Rate20246.6%
Education
IndicatorValue
Bachelor's Degree or Higher202451.9%
High School or Higher202495.3%
Health Coverage
IndicatorValue
No Health Insurance20242.1%
With a Disability202411.1%
Population & Density
IndicatorValue
Population202521,219
Population Density2025/km²79
Work & Commute
IndicatorValue
Commute by Public Transit20241.5%
Households with No Vehicle20243.2%
Mean Commute Time2024minutes16.4
Work from Home202421.6%
Compare Dukes County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.