Iselin Flag

Iselin

County Seat:
No
Area (mi²):
3.152
State:
New Jersey

Iselin is a CDP located in Middlesex County, New Jersey. Iselin has a 2026 population of 19,256. Iselin is currently growing at a rate of 0.18% 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 Iselin is $109,500 with a poverty rate of 7.87%. The median age in Iselin is 38.5 years: 37.4 years for males, and 40.1 years for females. For every 100 females there are 100.5 males.

19.3K
Total Population
6,110
Density (mi²)
35 0.18%
Growth

Iselin Population

Iselin Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202619,256350.18%
202519,221350.18%

Median Age

Overall: 38.5 years
Female: 40.1 years
Male: 37.4 years

Iselin Adults

There are 15,484 adults, (3,155 of whom are seniors) in Iselin.

Sex Ratio

Female: 9,750 (49.9%)
Male: 9,801 (50.1%)

Demographics

The racial composition of Iselin includes 48.48% Asian, 25.42% White, 10.76% Black or African American, 7.68% other race, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Asian9,47948.48%
White4,96925.42%
Black or African American2,10310.76%
Other race1,5027.68%
Two or more races1,4767.55%
Native American220.11%
Race
Population ↓
Percentage (of total)
Other race1,3436.87%
Two or more races1,0415.32%
White4532.32%
Asian350.18%
Native American220.11%
Race
Population ↓
Percentage (of total)
Asian9,44448.3%
White4,51623.1%
Black or African American2,10310.76%
Two or more races4352.22%
Other race1590.81%

Iselin Marital Status

Economics and Income Statistics

Iselin 's average per capita income is $70,279. Household income levels show a median of $109,500. The poverty rate stands at 7.87%.

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
Married Families$140,619-
Families$116,546$146,670
Households$109,500$135,542
Non Families$41,500$65,213

$70,279

Average Income

$109,500

Median Household Income

7.87%

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)