East Dennis

County:: Barnstable County
County Seat:: No
Area (mi²):: 4.835
State:: Massachusetts

East Dennis is a CDP located in Barnstable County, Massachusetts. East Dennis has a 2025 population of 3,951. East Dennis is currently growing at a rate of 2.07% annually and its population has increased by 28.78% since the most recent census, which recorded a population of 3,068 in 2020.

The average household income in East Dennis is $128,379 with a poverty rate of 4.18%.The median age in East Dennis is 62.6 years: 50.9 years for males, and 63.7 years for females.

Demographics

The racial composition of East Dennis includes 95.98% White, and smaller percentages for Two or more races, Black or African American, Asian, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	3,537	95.98%
Two or more races	68	1.85%
Black or African American	39	1.06%
Asian	24	0.65%
Native American	17	0.46%

East Dennis Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

East Dennis' average per capita income is $37,183. Household income levels show a median of $100,504. The poverty rate stands at 4.18%.

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	$160,000	-
Families	$130,541	$148,445
Households	$100,504	$128,379
Non Families	-	$70,158

$37,183

Average Income

$100,504

Median Household Income

4.18%

Poverty Rate