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. For every 100 females there are 123.2 males.

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 and multiracial populations.

Population by Race

White (88.68%)

Two or more races (9.91%)

Black or African American (0.94%)

Asian (0.47%)

Race
Population
Percentage (of total)
White18888.68%
Two or more races219.91%
Black or African American20.94%
Asian10.47%

East Rocky Hill Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

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)