In 2019, Dukes County, MA had a population of 17.3k people with a median age of 47.1 and a median household income of $71,811. Between 2018 and 2019 the population of Dukes County, MA declined from 17,313 to 17,312, a −0.00578% decrease and its median household income grew from $71,224 to $71,811, a 0.824% increase.
The 5 largest ethnic groups in Dukes County, MA are White (Non-Hispanic) (85.6%), Black or African American (Non-Hispanic) (4.2%), Two+ (Non-Hispanic) (3.85%), White (Hispanic) (2.52%), and Other (Non-Hispanic) (1.75%). 0% of the households in Dukes County, MA speak a non-English language at home as their primary language, and 95.2% of the residents in Dukes County, MA are U.S. citizens.
In 2019, the median property value in Dukes County, MA was $699,500, and the homeownership rate was 72.3%. Most people in Dukes County, MA drove alone to work, and the average commute time was 11 minutes. The average car ownership in Dukes County, MA was 2 cars per household.