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 2026 population of 153. East Rocky Hill is currently declining at a rate of -11.05% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in East Rocky Hill is $211,731 with a poverty rate of 0.85%. The median age in East Rocky Hill is 59.2 years: 62.5 years for males, and 58 years for females. For every 100 females there are 100.9 males.

153
Total Population
37
Density (mi²)
-19 -11.05%
Growth

East Rocky Hill Population

East Rocky Hill Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026153-19-11.05%
2025172-20-10.42%

Median Age

Overall: 59.2 years
Female: 58 years
Male: 62.5 years

East Rocky Hill Adults

There are 235 adults, (42 of whom are seniors) in East Rocky Hill.

Sex Ratio

Female: 117 (49.8%)
Male: 118 (50.2%)

Demographics

The racial composition of East Rocky Hill includes 87.23% White, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White20587.23%
Two or more races2611.06%
Black or African American31.28%
Asian10.43%
Race
Population ↓
Percentage (of total)
Two or more races10.43%
Race
Population ↓
Percentage (of total)
White20587.23%
Two or more races2510.64%
Black or African American31.28%
Asian10.43%

East Rocky Hill Marital Status

Economics and Income Statistics

East Rocky Hill 's average per capita income is $103,258. Household income levels show a median of $211,731. The poverty rate stands at 0.85%.

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$211,731$250,656
Families$210,962$230,538
Married Families$210,962-
Non Families--

$103,258

Average Income

$211,731

Median Household Income

0.85%

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)