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: 63.65%
  • Other race: 12.93%
  • Two or more races: 9.98%
  • Black or African American: 9.01%
  • Asian: 3.88%
  • Native American: 0.5%
  • 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)
White215,85463.65%
Other race43,83812.93%
Two or more races33,8509.98%
Black or African American30,5589.01%
Asian13,1673.88%
Native American1,6860.5%
Native Hawaiian or Pacific Islander1700.05%

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

40.1

Female

Islip town Adults

There are 265,106 adults, (48,707 of whom are seniors) in Islip town.

Islip town Age Dependency

56.7

Age Dependency Ratio

22.5

Old Age Dependency Ratio

34.2

Child Dependency Ratio

Islip town Sex Ratio

Female168,59149.71%
Male170,53250.29%

Islip town Population by Age

Islip town Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All102,9463.2679.820.2
Married56,5033.888911
Non Family25,5411.2764.735.3
Female13,8253.9769.930.1
Male7,0774.1480.419.6

3.7

Average Family Size

3.26

Average Household Size

79.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Islip town Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade12,9375.52%
Associates Degree22,0749.42%
Bachelors Degree41,99117.92%
Graduate Degree33,16514.15%
High School Graduate63,97127.3%
Less Than 9th Grade19,9128.5%
Some College40,30517.2%

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
White129,277122,76351,725
Hispanic72,61750,07312,217
Other Race28,70117,9704,149
2+ Races21,08916,0255,262
Black20,74018,3235,500
Asian8,7357,3114,381
Native American1,035623146
Islander1359134

The highest rate of high school graduation is among white people with a rate of 94.96%.

The highest rate of bachelors degrees is among asian people with a rate of 50.15%.

Islip town Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$71,110$85,925$60,826
Graduate Degree$99,554$114,117$90,136
High School Graduate$44,672$52,327$36,995
Less Than 9th Grade$40,987$43,225$35,143
Overall$57,653$65,430$51,031
Some College$55,629$69,797$45,820

$57,653

Average Earnings

$65,430

Average Male

$51,031

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

66.17% of Islip town residents speak only English, while 33.83% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 26.98% of the population.

Islip town Language

Islip town Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Hispanic115,2949,6808.4%
White171,7388,3384.86%
Other42,7463,0227.07%
Black30,1612,7289.04%
Multiple33,5132,6998.05%
Asian13,0794433.39%
Native1,6431358.22%
Islander170158.82%

6.21%

Overall Poverty Rate

5.47%

Male Poverty Rate

6.96%

Female Poverty Rate

Poverty in Islip town

The race most likely to be in poverty in Islip town is Black, with 9.04% below the poverty level.

The race least likely to be in poverty in Islip town is Asian, with 3.39% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.81%. Among those working part-time, it was 7.13%, and for those that did not work, the poverty rate was 14.11%.

Islip town Poverty

rate

Rate
Poverty
Less Than 9th Grade12.43%
High School8.69%
Some College4.65%
Bachelors or Greater2.48%

Islip town Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed18.48%
Female Unemployed14.78%
Female Employed2.97%
Male Employed1.81%

Islip town Poverty Rate by Employment Status and Sex

Islip town Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$138,185$160,914
Households$122,726$146,934
Married Families$151,191$177,466
Non Families$60,892$83,578

mean

median

Income by Household Type

Islip town Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

47.1%

Overall Marriage Rate

48.7%

Male Marriage Rate

45.5%

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

10,225

Number of Veterans

9,475

Male Veterans

750

Female Veterans

War
Veterans
Vietnam3,581
Second Gulf War1,747
First Gulf War1,449
Korea905
World War II236

Islip town Veterans by War

count

Age Group
Veterans
75+3,143
65 to 742,603
35 to 541,815
55 to 641,789
18 to 34875

Islip town Veterans by Age

count

Name
Veterans
% of Total
White7,9994.64%
Hispanic1,4581.73%
Black1,0354.26%
Other Race4831.48%
2+ Races4791.94%
Asian2132.24%
Native American90.71%
Islander74.79%

Islip town Veterans by Race

Islip town Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.07%

Veteran Poverty Rate

23.41%

Veteran Disability Rate

Islip town Veterans by Education

LaborForceParticipation

67.9%

Labor Force Participation

65%

Employment Rate

4.2%

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

70.07%

Born in Islip town

78.26%

Native Born

21.74%

Foreign Born

9.82%

Non Citizen

11.92%

Naturalized

Place of Birth

78.26% of Islip town residents were born in the United States, with 70.07% having been born in New York. 9.82% 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