Dennis Port

County:: Barnstable County
County Seat:: No
Area (mi²):: 3.038
State:: Massachusetts

Dennis Port is a CDP located in Barnstable County, Massachusetts. Dennis Port has a 2025 population of 3,334. Dennis Port is currently growing at a rate of 0.33% annually but its population has decreased by -5.36% since the most recent census, which recorded a population of 3,523 in 2020.

The average household income in Dennis Port is $79,682 with a poverty rate of 18.9%.The median age in Dennis Port is 58.3 years: 58.4 years for males, and 57 years for females.

Demographics

The racial composition of Dennis Port includes 86.62% White, 3.26% other race, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,979	86.62%
Two or more races	248	7.21%
Other race	112	3.26%
Black or African American	98	2.85%
Asian	2	0.06%

Dennis Port Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Dennis Port's average per capita income is $53,294. Household income levels show a median of $61,974. The poverty rate stands at 18.9%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$96,250	-
Families	$84,074	$101,865
Households	$61,974	$79,682
Non Families	$47,816	$60,889

$53,294

Average Income

$61,974

Median Household Income

18.9%

Poverty Rate