East Rocky Hill

County:: Mercer County
County Seat:: No
Area (mi²):: 4.167
State:: New Jersey

East Rocky Hill is a CDP located in Mercer County, New Jersey. East Rocky Hill has a 2025 population of 397. East Rocky Hill is currently declining at a rate of -1% annually but its population has increased by 18.51% since the most recent census, which recorded a population of 335 in 2020.

The average household income in East Rocky Hill is $280,757 with a poverty rate of 0%.The median age in East Rocky Hill is 59.4 years: 67 years for males, and 57.7 years for females.

Demographics

The racial composition of East Rocky Hill includes 88.68% White, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	188	88.68%
Two or more races	21	9.91%
Black or African American	2	0.94%
Asian	1	0.47%

East Rocky Hill Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

East Rocky Hill's average per capita income is $124,167. Household income levels show a median of $232,727. The poverty rate stands at 0%.

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
Households	$232,727	$280,757
Families	$232,727	$285,993
Married Families	$232,727	-
Non Families	-	-

$124,167

Average Income

$232,727

Median Household Income

0%

Poverty Rate