Dukes County, MA Demographics

The total population of Dukes County is estimated to be 20,543 with 10,091 males (49.12%) and 10,452 females (50.88%). There are 361 more females than males in Dukes County.
The median household income in Dukes County was $83,654 in 2021, which marked an a decrease of 3,958(4.52%) from $87,612 in 2020. This income is 112.13% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Dukes County sees its highest median household income among householders in the age group of 45 to 64 years old, at $112,505. Overall, the median household income for the county of Dukes County stands at $83,654.
In Dukes County, the median income for all workers aged 15 years and older, regardless of work hours, was $48,318 for males and $38,269 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $70,398 for males and $76,401 for females.
In Dukes County, there are just three different racial groups among households. Among these, White households report a median household income of $92,616, followed by Two or More Races households at $55,601, and Black or African American households with a median household income of $48,371.
In 2022, the population of Dukes County was 20,868, a 1.14% decrease year-by-year from 2021. Previously, in 2021, Dukes County's population was 21,109, an increase of 2.58% compared to a population of 20,579 in 2020.
The median age in Dukes County, MA is 47.9, as per 2021 ACS 5-Year Estimates. Of the total population, 14.69% were under the age of 15, 15.01% aged 15 to 29, 46.28% aged 30 to 64, 21.01% aged 65 to 84, and 3.00% were 85 years of age and older.
Racial distribution of Dukes County population: 83.31% are White, 4.58% are Black or African American, 0.93% are American Indian and Alaska Native, 0.93% are Asian, 2.27% are some other race and 7.98% are multiracial.