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, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Other 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%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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