Iselin, New Jersey Population 2023

17,684

Iselin is a city located in Middlesex County New Jersey. Iselin has a 2023 population of 17,684. Iselin is currently growing at a rate of 1.89% annually and its population has increased by 1.89% since the most recent census, which recorded a population of 17,356 in 2020.

The average household income in Iselin is $110,487 with a poverty rate of 6.76%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Iselin is 42.3 years, 42.1 years for males, and 42.5 years for females.

Iselin Demographics

According to the most recent ACS, the racial composition of Iselin was:

  • Asian: 51.57%
  • White: 32.5%
  • Black or African American: 7.56%
  • Two or more races: 5.85%
  • Other race: 1.5%
  • Native American: 1.03%
  • Native Hawaiian or Pacific Islander: 0%
The current population of Iselin, New Jersey is 17,684 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 17,356.

Iselin, New Jersey Population 2023

Population by Race

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Asian

White

Black or African American

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Iselin Population by Race

Iselin Population Pyramid 2023

Iselin Median Age

42.3

Total

42.1

Male

42.5

Female

Iselin Adults

There are 13,929 adults, (3,166 of whom are seniors) in Iselin.

Iselin Age Dependency

61.3

Age Dependency Ratio

29.4

Old Age Dependency Ratio

31.8

Child Dependency Ratio

Iselin Sex Ratio

Female8,97951.73%
Male8,37748.27%

Iselin Population by Age

Iselin Renter vs Owner Occupied by Household Type

3.18

Average Family Size

2.75

Average Household Size

71.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Iselin Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Iselin Educational Attainment by Sex (over 25)

Iselin Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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

The highest rate of bachelors degrees is among asian people with a rate of 64.88%.

Iselin Educational Attainment by Race

All

Male

Female

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$64,906

Average Earnings

$74,066

Average Male

$57,978

Average Female

Iselin Earnings by Educational Attainment

Iselin Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Iselin Language

41.26% of Iselin residents speak only English, while 58.74% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 43.61% of the population.

Iselin Language

Iselin Poverty by Race

rate

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6.76%

Overall Poverty Rate

5.77%

Male Poverty Rate

5.33%

Female Poverty Rate

Poverty in Iselin

The race most likely to be in poverty in Iselin is Multiple, with 9.78% below the poverty level.

The race least likely to be in poverty in Iselin is Hispanic, with 6.18% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.72%. Among those working part-time, it was 7.62%, and for those that did not work, the poverty rate was 12.35%.

Iselin Poverty

rate

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Iselin Poverty Rate by Education

rate

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Iselin Poverty Rate by Employment Status and Sex

Iselin Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Iselin Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

64.3%

Overall Marriage Rate

68.8%

Male Marriage Rate

60.1%

Female Marriage Rate

Iselin Married by Age and Sex

male

female

Iselin Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 45-54.

Iselin Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Iselin Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

439

Number of Veterans

439

Male Veterans

Female Veterans

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Iselin Veterans by War

count

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Iselin Veterans by Age

count

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Iselin Veterans by Race

Iselin Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

8.43%

Veteran Poverty Rate

14.58%

Veteran Disability Rate

Iselin Veterans by Education

LaborForceParticipation

66.3%

Labor Force Participation

62.4%

Employment Rate

5.9%

Unemployment Rate

Iselin Employment by Age

LaborForceParticipation

Iselin Employment by Race

LaborForceParticipation

Iselin 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

35.05%

Born in Iselin

51.35%

Native Born

48.65%

Foreign Born

21.46%

Non Citizen

27.19%

Naturalized

Place of Birth

51.35% of Iselin residents were born in the United States, with 35.05% having been born in New Jersey. 21.46% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Iselin Place of Birth

Note: data after 2021 is projected based on recent change
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Iselin Population by Year