Iselin is a CDP located in Middlesex County New Jersey. Iselin has a 2024 population of 18,480. Iselin is currently declining at a rate of -0.09% annually but its population has increased by 6.48% since the most recent census, which recorded a population of 17,356 in 2020.
The average household income in Iselin is $138,553 with a poverty rate of 6.39%. The median age in Iselin is 38.4 years: 38 years for males, and 39 years for females.
According to the most recent ACS, the racial composition of Iselin was:
Race | Population | Percentage (of total) |
|---|---|---|
| Asian | 10,441 | 54.52% |
| White | 4,714 | 24.61% |
| Black or African American | 1,557 | 8.13% |
| Other race | 1,274 | 6.65% |
| Two or more races | 1,132 | 5.91% |
| Native American | 33 | 0.17% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
Asian
White
Black or African American
Other race
Two or more races
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 6,354 | 3.01 | 66.2 | 33.8 |
| Married | 4,172 | 3.43 | 69.1 | 30.9 |
| Non Family | 1,010 | 1.29 | 51.7 | 48.3 |
| Female | 840 | 2.66 | 66.5 | 33.5 |
| Male | 332 | 3.85 | 72.9 | 27.1 |
3.27
Average Family Size
3.01
Average Household Size
66.2%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 1,236 | 9.14% |
| Associates Degree | 500 | 3.7% |
| Bachelors Degree | 3,874 | 28.65% |
| Graduate Degree | 3,558 | 26.31% |
| High School Graduate | 2,741 | 20.27% |
| Less Than 9th Grade | 267 | 1.97% |
| Some College | 1,345 | 9.95% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| Asian | 7,566 | 6,774 | 5,448 |
| White | 3,414 | 3,045 | 850 |
| Hispanic | 1,275 | 972 | 350 |
| Black | 873 | 856 | 515 |
| Other Race | 756 | 580 | 121 |
| 2+ Races | 622 | 508 | 343 |
| Native American | 33 | 22 | 0 |
The highest rate of high school graduation is among black people with a rate of 98.05%.
The highest rate of bachelors degrees is among asian people with a rate of 72.01%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $88,550 | $96,176 | $87,605 |
| Graduate Degree | $95,682 | $100,385 | $72,067 |
| High School Graduate | $35,804 | $40,679 | $31,339 |
| Less Than 9th Grade | $44,519 | $73,229 | $25,307 |
| Overall | $71,021 | $79,816 | $65,845 |
| Some College | $51,757 | $58,750 | $41,827 |
$71,021
Average Earnings
$79,816
Average Male
$65,845
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
35.92% of Iselin residents speak only English, while 64.08% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 44.57% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 4,372 | 504 | 11.53% |
| Hispanic | 2,048 | 354 | 17.29% |
| Other | 1,274 | 353 | 27.71% |
| Asian | 10,441 | 306 | 2.93% |
| Multiple | 1,132 | 59 | 5.21% |
6.39%
Overall Poverty Rate
7.21%
Male Poverty Rate
5.53%
Female Poverty Rate
The race most likely to be in poverty in Iselin is Other, with 27.71% below the poverty level.
The race least likely to be in poverty in Iselin is Asian, with 2.93% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.64%. Among those working part-time, it was 9.46%, and for those that did not work, the poverty rate was 10.45%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 14.44% |
| High School | 8.35% |
| Some College | 4.61% |
| Bachelors or Greater | 3.15% |
rate
Rate | Poverty |
|---|---|
| Female Unemployed | 5.26% |
| Female Employed | 3.79% |
| Male Employed | 3.57% |
| Male Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $120,833 | $147,888 |
| Households | $112,615 | $138,553 |
| Married Families | $146,372 | $-999,999,999 |
| Non Families | $42,500 | $74,938 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
61.4%
Overall Marriage Rate
64.5%
Male Marriage Rate
58.3%
Female Marriage Rate
male
female
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 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
275
Number of Veterans
275
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 59 |
| Second Gulf War | 27 |
| Korea | 24 |
| World War II | 13 |
| First Gulf War | 0 |
count
Age Group | Veterans |
|---|---|
| 75+ | 190 |
| 55 to 64 | 40 |
| 35 to 54 | 27 |
| 65 to 74 | 18 |
| 18 to 34 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 190 | 4.71% |
| Hispanic | 35 | 2.37% |
| Other Race | 27 | 3.43% |
| 2+ Races | 22 | 2.48% |
| Asian | 19 | 0.23% |
| Black | 17 | 1.44% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
9.82%
Veteran Poverty Rate
24.73%
Veteran Disability Rate
LaborForceParticipation
64.6%
Labor Force Participation
62.6%
Employment Rate
3.1%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
33.53%
Born in Iselin
45.65%
Native Born
54.35%
Foreign Born
25.67%
Non Citizen
28.67%
Naturalized
45.65% of Iselin residents were born in the United States, with 33.53% having been born in New Jersey. 25.67% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 18,480 | -16 | -0.09% |
| 2023 | 18,496 | -15 | -0.08% |
| 2022 | 18,511 | 827 | 4.68% |
| 2021 | 17,684 | 328 | 1.89% |
| 2020 | 17,356 | -819 | -4.51% |
| 2019 | 18,175 | -99 | -0.54% |
| 2018 | 18,274 | -1,148 | -5.91% |
| 2017 | 19,422 | 11 | 0.06% |
| 2016 | 19,411 | 265 | 1.38% |
| 2015 | 19,146 | 689 | 3.73% |
| 2014 | 18,457 | -542 | -2.85% |
| 2013 | 18,999 | -116 | -0.61% |
| 2012 | 19,115 | 352 | 1.88% |
| 2011 | 18,763 | 68 | 0.36% |
| 2010 | 18,695 | 0 | 0% |