Iselin, NJ
Demographics And Statistics

Demographics | Cost Of Living
Updated: 2025-10-25

Living In Iselin, New Jersey Summary

Life in Iselin research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in Iselin over the past nine years using Census, FBI, Zillow, and other primary data sources. Based on the most recently available data, we found the following about life in Iselin:

  • The population in Iselin is 19,151.

  • The median home value in Iselin is $555,819.

  • The median income in Iselin is $112,615.

  • The cost of living in Iselin is 131 which is 1.3x higher than the national average.

  • The median rent in Iselin is $2,051.

  • The unemployment rate in Iselin is 3.1%.

  • The poverty rate in Iselin is 6.4%.

  • The average high in Iselin is 63.8° and the average low is 43.4°.

Iselin SnackAbility

6
Overall SnackAbility
Jobs
8/10
Housing
9
Affordability
6
Diversity
9.5
Safety
N/A
Amenities
9
Education
8
Commute
3

Iselin, NJ Cost Of Living

Cost of living in Iselin summary. We use data on the cost of living to determine how expensive it is to live in Iselin. Real estate prices drive most of the variance in cost of living around New Jersey. Key points include:

  • The cost of living in Iselin is 131 with 100 being average.

  • The cost of living in Iselin is 1.3x higher than the national average.

  • The median home value in Iselin is $555,819.

  • The median income in Iselin is $112,615.

131
Iselin's Overall Cost Of Living
1.3x
Higher Than The National Average

Cost Of Living In Iselin Comparison Table

Living Expense Iselin New Jersey National Average
Overall 131 122 100
Services 112 108 100
Groceries 103 104 100
Health 100 99 100
Housing 177 159 100
Transportation 106 101 100
Utilities 106 107 100

Iselin, NJ Weather

  • The average high in Iselin is 63.8° and the average low is 43.4°.

  • There are 77.0 days of precipitation each year.

  • Expect an average of 47.8 inches of precipitation each year with 24.7 inches of snow.

StatIselin
Average Annual High63.8
Average Annual Low43.4
Annual Precipitation Days77.0
Average Annual Precipitation47.8
Average Annual Snowfall24.7
63.8°
Average High
77.0
Days of Rain

Rankings for Iselin in New Jersey

Locations Around Iselin

Map Of Iselin, NJ

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4

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9

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10

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Population 13,577

Iselin Demographics And Statistics

Population over time in Iselin

The current population in Iselin is 19,151. The population has increased 2.3% from 2010.

Year Population % Change
2023 19,151 3.5%
2022 18,511 4.7%
2021 17,684 1.9%
2020 17,356 -4.5%
2019 18,175 -0.5%
2018 18,274 -5.9%
2017 19,422 0.1%
2016 19,411 1.4%
2015 19,146 3.7%
2014 18,457 -2.9%
2013 18,999 -0.6%
2012 19,115 1.9%
2011 18,763 0.2%
2010 18,726 -

Race / Ethnicity in Iselin

White
22.8% (4,372)
African American
8.1% (1,557)
American Indian
0.1% (22)
Asian
54.2% (10,386)
Hawaiian
0.0% (0)
Other
0.7% (136)
Two Or More
3.3% (630)
Hispanic
10.7% (2,048)

Iselin is:

  • 22.8% White with 4,372 White residents.

  • 8.1% African American with 1,557 African American residents.

  • 0.1% American Indian with 22 American Indian residents.

  • 54.2% Asian with 10,386 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.7% Other with 136 Other residents.

  • 3.3% Two Or More with 630 Two Or More residents.

  • 10.7% Hispanic with 2,048 Hispanic residents.

Race Iselin NJ USA
White 22.8% 51.9% 58.2%
African American 8.1% 12.3% 12.0%
American Indian 0.1% 0.1% 0.5%
Asian 54.2% 9.8% 5.7%
Hawaiian 0.0% 0.0% 0.2%
Other 0.7% 0.8% 0.5%
Two Or More 3.3% 3.2% 3.9%
Hispanic 10.7% 21.9% 19.0%

Gender in Iselin

Female
49.0% (9,393)
Male
51.0% (9,758)
  • Iselin is 49.0% female with 9,393 female residents.

  • Iselin is 51.0% male with 9,758 male residents.

Gender Iselin NJ USA
Female 49.0% 50.8% 50.5%
Male 51.0% 49.2% 49.5%

Highest level of educational attainment in Iselin for adults over 25

  • 2.0% of adults in Iselin completed < 9th grade.

  • 9.0% of adults in Iselin completed 9-12th grade.

  • 20.0% of adults in Iselin completed high school / ged.

  • 10.0% of adults in Iselin completed some college.

  • 4.0% of adults in Iselin completed associate's degree.

  • 29.0% of adults in Iselin completed bachelor's degree.

  • 23.0% of adults in Iselin completed master's degree.

  • 2.0% of adults in Iselin completed professional degree.

  • 1.0% of adults in Iselin completed doctorate degree.

< 9th Grade
2.0% (383)
9-12th Grade
9.0% (1,723)
High School / GED
20.0% (3,830)
Some College
10.0% (1,915)
Associate's Degree
4.0% (766)
Bachelor's Degree
29.0% (5,553)
Master's Degree
23.0% (4,404)
Professional Degree
2.0% (383)
Doctorate Degree
1.0% (191)
Education Iselin NJ USA
< 9th Grade 2.0% 3.0% 5.0%
9-12th Grade 9.0% 5.0% 6.0%
High School / GED 20.0% 26.0% 26.0%
Some College 10.0% 15.0% 19.0%
Associate's Degree 4.0% 7.0% 9.0%
Bachelor's Degree 29.0% 26.0% 21.0%
Master's Degree 23.0% 13.0% 10.0%
Professional Degree 2.0% 3.0% 2.0%
Doctorate Degree 1.0% 2.0% 2.0%

Household Income For Iselin, New Jersey

  • 2.4% of households in Iselin earn Less than $10,000.

  • 2.7% of households in Iselin earn $10,000 to $14,999.

  • 3.1% of households in Iselin earn $15,000 to $24,999.

  • 3.1% of households in Iselin earn $25,000 to $34,999.

  • 7.3% of households in Iselin earn $35,000 to $49,999.

  • 9.1% of households in Iselin earn $50,000 to $74,999.

  • 14.6% of households in Iselin earn $75,000 to $99,999.

  • 20.6% of households in Iselin earn $100,000 to $149,999.

  • 15.1% of households in Iselin earn $150,000 to $199,999.

  • 21.9% of households in Iselin earn $200,000 or more.

Less than $10,000
2.4% (46,415)
$10,000 to $14,999
2.7% (52,142)
$15,000 to $24,999
3.1% (60,280)
$25,000 to $34,999
3.1% (59,375)
$35,000 to $49,999
7.3% (140,151)
$50,000 to $74,999
9.1% (174,209)
$75,000 to $99,999
14.6% (279,398)
$100,000 to $149,999
20.6% (395,136)
$150,000 to $199,999
15.1% (288,440)
$200,000 or more
21.9% (419,549)
Income Iselin NJ USA
Less than $10,000 2.4% 4.0% 4.9%
$10,000 to $14,999 2.7% 2.9% 3.6%
$15,000 to $24,999 3.1% 5.0% 6.6%
$25,000 to $34,999 3.1% 5.3% 6.8%
$35,000 to $49,999 7.3% 8.0% 10.4%
$50,000 to $74,999 9.1% 12.9% 15.7%
$75,000 to $99,999 14.6% 11.4% 12.7%
$100,000 to $149,999 20.6% 18.0% 17.4%
$150,000 to $199,999 15.1% 11.7% 9.3%
$200,000 or more 21.9% 20.7% 12.6%

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