East Rocky Hill Flag

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.

397
Total Population
95
Density (mi²)
-4 -1%
Growth

East Rocky Hill Population

East Rocky Hill Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of East Rocky Hill includes 88.68% White, and smaller percentages for 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)
White18888.68%
Two or more races219.91%
Black or African American20.94%
Asian10.47%
Native American00%
Native Hawaiian or Pacific Islander00%
Other race00%

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

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)