Islip Terrace, New York Population 2021

5,579
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Islip Terrace is a city located in Suffolk County New York. Islip Terrace has a 2020 population of 5,579. Islip Terrace is currently declining at a rate of 0.00% annually and its population has increased by 3.53% since the most recent census, which recorded a population of 5,389 in 2010. Islip Terrace reached it's highest population of 5,647 in 2011.

The average household income in Islip Terrace is $136,448 with a poverty rate of 2.55%. The median rental costs in recent years comes to $2,412 per month, and the median house value is $359,300. The median age in Islip Terrace is 38.7 years, 33.4 years for males, and 43.7 years for females.

Islip Terrace Demographics

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

  • White: 93.55%
  • Asian: 3.24%
  • Other race: 1.47%
  • Two or more races: 1.02%
  • Black or African American: 0.72%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Islip Terrace, New York is 5,579 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 5,529.The last official US Census in 2010 recorded the population at 5,389.

Islip Terrace, New York Population 2021

Population by Race

Race Population Percentage
White5,21993.55%
Asian1813.24%
Some Other Race821.47%
Two or More Races571.02%
Black or African American400.72%
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Islip Terrace Population by Race

Islip Terrace Population Pyramid $2021

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Islip Terrace Median Age

38.7


Total

33.4


Male

43.7


Female

Islip Terrace Adults

There are 4,218 adults, (668 of whom are seniors) in Islip Terrace.

Islip Terrace Age Dependency

57.2

Age Dependency Ratio

18.8

Old Age Dependency Ratio

38.3

Child Dependency Ratio

Islip Terrace Sex Ratio

Female

2,847

51.03%

Male

2,732

48.97%

Islip Terrace Population by Age

Islip Terrace Renter vs Owner Occupied by Household Type

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Islip Terrace Household Types

Type Owner Renter
Married92%8%
All86.1%13.9%
Female81.5%18.5%
Male70.6%29.4%
Non Family69.3%30.7%

86.1%

Rate of Home Ownership

Islip Terrace Households and Families

Type Count Average Size Owned
All1,6163.4586.1
Married1,0633.8192
Non Family2701.1569.3
Female2494.281.5
Male345.2170.6

3.74

Average Family Size

3.45

Average Household Size

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Islip Terrace Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1042.88%
9th to 12th Grade1153.18%
High School Graduate1,21833.70%
Some College66018.26%
Associates Degree43912.15%
Bachelors Degree58816.27%
Graduate Degree49013.56%
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Islip Terrace Educational Attainment by Sex (over 25)

Islip Terrace Educational Attainment by Race

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Race Total High School Bachelors
White2,9782,858888
Hispanic461407138
Asian1338846
Other Race5959
Black2626
2+ Races16166

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 37.50%.

Islip Terrace Educational Attainment by Race

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Name Average Male Female
Overall$54,312$76,838$42,332
Less Than 9th Grade$37,664$37,730$
High School Graduate$43,438$77,833$25,139
Some College$54,315$82,826$40,284
Bachelors Degree$66,017$88,947$59,541
Graduate Degree$66,453$87,917$56,378

$54,312

Average Earnings

$76,838

Average Male

$42,332

Average Female

Islip Terrace Earnings by Educational Attainment

Islip Terrace Language by Age

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Islip Terrace Language

88.23% of Islip Terrace residents speak only English, while 11.77% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 5.74% of the population.

Islip Terrace Language

Islip Terrace Poverty by Race

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Name Total In Poverty Poverty Rate
White4,3911252.85%
Hispanic860161.86%

2.55%

Overall Poverty Rate

2.68%

Male Poverty Rate

2.42%

Female Poverty Rate

Poverty in Islip Terrace

The race most likely to be in poverty in Islip Terrace is White, with 2.85% below the poverty level.

The race least likely to be in poverty in Islip Terrace is Hispanic, with 1.86% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.49%. Among those working part-time, it was 2.10%, and for those that did not work, the poverty rate was 4.21%.

Islip Terrace Poverty

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Name Poverty
Some College5.37%
High School1.31%
Bachelors or Greater1.21%
Less Than 9th Grade0.00%

Islip Terrace Poverty Rate by Education

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Rate Poverty
Male Employed1.39%
Female Unemployed0.00%
Female Employed0.00%
Male Unemployed0.00%

Islip Terrace Poverty Rate by Employment Status and Sex

Islip Terrace Income by Household Type

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Name Median Mean
Households$121,010$136,448
Families$130,720$147,404
Married Families$138,125-
Non Families$41,726$55,547
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Income by Household Type

Islip Terrace Marital Status

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Marriage Rates

54.0%

Overall Marriage Rate

57.8%

Male Marriage Rate

50.7%

Female Marriage Rate

Islip Terrace Married by Age and Sex

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Islip Terrace 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 35-44.

Islip Terrace Marital Status by Race

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Islip Terrace Marital Status

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236

Number of Veterans

236

Male Veterans

Female Veterans

War Veterans
Vietnam94
First Gulf War54
Korea35
World War II
Second Gulf War

Islip Terrace Veterans by War

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Age Group Veterans
65 to 7493
75+64
35 to 5462
55 to 6417
18 to 34

Islip Terrace Veterans by Age

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Islip Terrace Veterans by Race

Islip Terrace Veterans by Education

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0.00%

Veteran Poverty Rate

40.25%

Veteran Disability Rate

Islip Terrace Veterans by Education

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68.3%

Labor Force Participation

65.6%

Employment Rate

4%

Unemployment Rate

Islip Terrace Employment by Age

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Islip Terrace Employment by Race

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Islip Terrace Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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86.00%

Born in Islip Terrace

91.68%

Native Born

8.32%

Foreign Born

1.20%

Non Citizen

7.12%

Naturalized

Place of Birth

91.68% of Islip Terrace residents were born in the United States, with 86.00% having been born in New York. 1.20% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Islip Terrace Place of Birth

Year Population Growth Annual Growth Rate
20215,5790.00%
20205,5790.00%
20195,579500.90%
20185,529-82-1.46%
20175,6113095.83%
20165,302-25-0.47%
20155,3271953.80%
20145,132-55-1.06%
20135,187-56-1.07%
20125,243-404-7.15%
20115,6472584.79%
20105,3890.00%

Islip Terrace Population by Year