Islip town, New York Population 2024

335,258

Islip town Demographics

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

  • White: 57.23%
  • Other race: 17.13%
  • Two or more races: 13%
  • Black or African American: 8.61%
  • Asian: 3.59%
  • Native American: 0.39%
  • Native Hawaiian or Pacific Islander: 0.05%
Land Area (mi²)
103.2 sq mi
Density (mi²)
3,248.70/sq mi
Growth Since 2020
-1.13% (-3,819)
The current population of Islip town, New York is 335,258 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 339,077.

Population by Race

Race
Population
Percentage (of total)
White193,88757.23%
Other race58,03717.13%
Two or more races44,04513%
Black or African American29,1708.61%
Asian12,1513.59%
Native American1,3310.39%
Native Hawaiian or Pacific Islander1630.05%

White

Other race

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Islip town Population by Race

Islip town Population Pyramid 2024

Islip town Median Age

38.9

Total

37.8

Male

40.2

Female

Islip town Adults

There are 263,179 adults, (49,232 of whom are seniors) in Islip town.

Islip town Age Dependency

58.3

Age Dependency Ratio

23

Old Age Dependency Ratio

35.3

Child Dependency Ratio

Islip town Sex Ratio

Female169,32949.98%
Male169,45550.02%

Islip town Population by Age

Islip town Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All102,3673.2880.119.9
Married56,1993.989.110.9
Non Family25,5911.2963.436.6
Female13,9234.017327
Male6,6544.088317

3.72

Average Family Size

3.28

Average Household Size

80.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Islip town Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade12,3115.27%
Associates Degree22,1749.5%
Bachelors Degree42,30718.12%
Graduate Degree32,86314.07%
High School Graduate63,10327.02%
Less Than 9th Grade21,5159.21%
Some College39,22816.8%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Islip town Educational Attainment by Sex (over 25)

Islip town Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White123,627117,44551,197
Hispanic77,95754,11513,134
Other Race37,48124,0075,367
2+ Races27,55521,0416,865
Black19,36217,0824,822
Asian8,0136,7153,987
Native American910639165
Islander14510249

The highest rate of high school graduation is among white people with a rate of 95%.

The highest rate of bachelors degrees is among asian people with a rate of 49.76%.

Islip town Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$73,448$87,388$63,512
Graduate Degree$100,837$113,852$94,225
High School Graduate$44,017$53,072$36,768
Less Than 9th Grade$42,173$45,732$35,722
Overall$58,815$66,266$51,859
Some College$56,974$73,089$46,693

$58,815

Average Earnings

$66,266

Average Male

$51,859

Average Female

Islip town Earnings by Educational Attainment

Islip town Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Islip town Language

64.4% of Islip town residents speak only English, while 35.6% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 28.7% of the population.

Islip town Language

Islip town Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Hispanic122,4359,2487.55%
White163,6857,8524.8%
Other56,7844,2807.54%
Multiple43,5753,0076.9%
Black28,7752,6759.3%
Asian12,0843853.19%
Native1,3051017.74%
Islander1631811.04%

6.02%

Overall Poverty Rate

5.33%

Male Poverty Rate

6.72%

Female Poverty Rate

Poverty in Islip town

The race most likely to be in poverty in Islip town is Islander, with 11.04% below the poverty level.

The race least likely to be in poverty in Islip town is Asian, with 3.19% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.77%. Among those working part-time, it was 7.02%, and for those that did not work, the poverty rate was 13.77%.

Islip town Poverty

rate

Rate
Poverty
Less Than 9th Grade10.44%
High School9.12%
Some College4.56%
Bachelors or Greater2.64%

Islip town Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed16.17%
Female Unemployed11.12%
Female Employed2.73%
Male Employed1.92%

Islip town Poverty Rate by Employment Status and Sex

Islip town Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$142,626$165,383
Households$127,572$151,532
Married Families$155,817$181,359
Non Families$65,021$88,412

mean

median

Income by Household Type

Islip town Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

47.7%

Overall Marriage Rate

49.9%

Male Marriage Rate

45.6%

Female Marriage Rate

Islip town Married by Age and Sex

male

female

Islip town Marriage

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 35-44.

Islip town Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Islip town Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

9,353

Number of Veterans

8,680

Male Veterans

673

Female Veterans

War
Veterans
Vietnam3,281
Second Gulf War1,654
First Gulf War1,398
Korea664
World War II186

Islip town Veterans by War

count

Age Group
Veterans
75+2,936
65 to 742,231
55 to 641,842
35 to 541,644
18 to 34700

Islip town Veterans by Age

count

Name
Veterans
% of Total
White6,8634.41%
Hispanic1,4941.66%
Black9514.19%
2+ Races7672.41%
Other Race6001.4%
Asian1531.77%
Islander127.95%
Native American70.67%

Islip town Veterans by Race

Islip town Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.83%

Veteran Poverty Rate

26.96%

Veteran Disability Rate

Islip town Veterans by Education

LaborForceParticipation

68.2%

Labor Force Participation

65.3%

Employment Rate

4.1%

Unemployment Rate

Islip town Employment by Age

LaborForceParticipation

Islip town Employment by Race

LaborForceParticipation

Islip town 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

69.23%

Born in Islip town

77.05%

Native Born

22.95%

Foreign Born

10.51%

Non Citizen

12.43%

Naturalized

Place of Birth

77.05% of Islip town residents were born in the United States, with 69.23% having been born in New York. 10.51% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Islip town Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029327,438-1,564-0.48%
2028329,002-1,564-0.47%
2027330,566-1,564-0.47%
2026332,130-1,564-0.47%
2025333,694-1,564-0.47%
2024335,258-1,564-0.46%
2023336,822-1,564-0.46%
2022338,386-2,029-0.6%
2021340,4151,3380.39%
2020339,0779,2612.81%
2019329,816-1,038-0.31%
2018330,854-367-0.11%
2017331,221-940-0.28%
2016332,161-1,554-0.47%
2015333,715-1,181-0.35%
2014334,896-778-0.23%
2013335,674-180-0.05%
2012335,854-567-0.17%
2011336,4218810.26%
2010335,54000%

Islip town Population by Year