East Rocky Hill, New Jersey Population 2024

487

East Rocky Hill is a city located in Mercer County, Middlesex County, and Somerset County New Jersey. East Rocky Hill has a 2024 population of 487. East Rocky Hill is currently growing at a rate of 8.46% annually and its population has increased by 45.37% since the most recent census, which recorded a population of 335 in 2020.

The average household income in East Rocky Hill is $258,654 with a poverty rate of 0.24%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in East Rocky Hill is 51.9 years, 53.3 years for males, and 51.1 years for females.

East Rocky Hill Demographics

According to the most recent ACS, the racial composition of East Rocky Hill was:

  • White: 89.78%
  • Other race: 5.35%
  • Two or more races: 4.14%
  • Asian: 0.49%
  • Black or African American: 0.24%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
4.2 sq mi
Density (mi²)
116.90/sq mi
Growth Since 2020
45.37% (152)
The current population of East Rocky Hill, New Jersey is 487 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 335.

East Rocky Hill, New Jersey Population 2024

Population by Race

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Race
Population
Percentage (of total)
White36989.78%
Other race225.35%
Two or more races174.14%
Asian20.49%
Black or African American10.24%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Other race

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

East Rocky Hill Population by Race

East Rocky Hill Population Pyramid 2024

East Rocky Hill Median Age

51.9

Total

53.3

Male

51.1

Female

East Rocky Hill Adults

There are 411 adults, (85 of whom are seniors) in East Rocky Hill.

East Rocky Hill Age Dependency

26.1

Age Dependency Ratio

26.1

Old Age Dependency Ratio

0

Child Dependency Ratio

East Rocky Hill Sex Ratio

Female21853.04%
Male19346.96%

East Rocky Hill Population by Age

East Rocky Hill Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1842.211000
Married1242.81000
Non Family6001000
Male0000
Female0000

2.8

Average Family Size

2.21

Average Household Size

100.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

East Rocky Hill Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade00%
9th to 12th Grade00%
High School Graduate298.19%
Some College5515.54%
Associates Degree308.47%
Bachelors Degree13237.29%
Graduate Degree10830.51%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

East Rocky Hill Educational Attainment by Sex (over 25)

East Rocky Hill Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White312312221
Hispanic23231
Other Race22220
2+ Races171717
Asian222
Black110

The highest rate of high school graduation is among white people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 100%.

East Rocky Hill Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$172,669$174,764$0
Less Than 9th Grade$0$0$0
High School Graduate$0$0$0
Some College$0$0$0
Bachelors Degree$225,875$250,001$0
Graduate Degree$250,001$0$0

$172,669

Average Earnings

$174,764

Average Male

$0

Average Female

East Rocky Hill Earnings by Educational Attainment

East Rocky Hill Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

East Rocky Hill Language

90.02% of East Rocky Hill residents speak only English, while 9.98% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.49% of the population.

East Rocky Hill Language

East Rocky Hill Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Black11100%

0.24%

Overall Poverty Rate

0.52%

Male Poverty Rate

0%

Female Poverty Rate

Poverty in East Rocky Hill

The race most likely to be in poverty in East Rocky Hill is Black, with 100% below the poverty level.

The race least likely to be in poverty in East Rocky Hill is Black, with 100% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 1.75%, and for those that did not work, the poverty rate was 0%.

East Rocky Hill Poverty

rate

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Rate
Poverty
Less Than 9th Grade0%
High School3.45%
Some College0%
Bachelors or Greater0%

East Rocky Hill Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed100%
Male Employed0%
Female Employed0%
Female Unemployed0%

East Rocky Hill Poverty Rate by Employment Status and Sex

East Rocky Hill Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$237,500$258,654
Families$250,001$297,119
Married Families$250,001$-999,999,999
Non Families-$179,162

mean

median

Income by Household Type

East Rocky Hill Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

58.6%

Overall Marriage Rate

61.1%

Male Marriage Rate

56.4%

Female Marriage Rate

East Rocky Hill Married by Age and Sex

male

female

East Rocky Hill Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

East Rocky Hill Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

East Rocky Hill Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

20

Number of Veterans

20

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam20
Second Gulf War0
First Gulf War0
Korea0
World War II0

East Rocky Hill Veterans by War

count

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Age Group
Veterans
75+20
18 to 340
35 to 540
55 to 640
65 to 740

East Rocky Hill Veterans by Age

count

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Name
Veterans
% of Total
White205.42%

East Rocky Hill Veterans by Race

East Rocky Hill Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

100%

Veteran Disability Rate

East Rocky Hill Veterans by Education

LaborForceParticipation

72.7%

Labor Force Participation

67.4%

Employment Rate

7.4%

Unemployment Rate

East Rocky Hill Employment by Age

LaborForceParticipation

East Rocky Hill Employment by Race

LaborForceParticipation

East Rocky Hill Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

45.5%

Born in East Rocky Hill

77.62%

Native Born

22.38%

Foreign Born

5.6%

Non Citizen

16.79%

Naturalized

Place of Birth

77.62% of East Rocky Hill residents were born in the United States, with 45.5% having been born in New Jersey. 5.6% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

East Rocky Hill Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2024487388.46%
2023449389.25%
20224116217.77%
2021349144.18%
2020335-3-0.89%
2019338-5-1.46%
201834310443.51%
2017239167.17%
2016223157.21%
2015208-5-2.35%
2014213-48-18.39%
2013261-49-15.81%
2012310-26-7.74%
2011336-133-28.36%
201046900%

East Rocky Hill Population by Year