Islip is a city located in New York. Islip has a 2024 population of 333,322. Islip is currently declining at a rate of -0.69% annually and its population has decreased by -1.69% since the most recent census, which recorded a population of 339,044 in 2020.
The average household income in Islip is $146,934 with a poverty rate of 6.21%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Islip is 38.9 years, 37.8 years for males, and 40.1 years for females.
According to the most recent ACS, the racial composition of Islip was:
White
Other race
Two or more races
Black or African American
Asian
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 102,946 | 3.26 | 79.8 | 20.2 |
| Married | 56,503 | 3.88 | 89 | 11 |
| Non Family | 25,541 | 1.27 | 64.7 | 35.3 |
| Female | 13,825 | 3.97 | 69.9 | 30.1 |
| Male | 7,077 | 4.14 | 80.4 | 19.6 |
3.7
Average Family Size
3.26
Average Household Size
79.8%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
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%.
All
Male
Female
$57,653
Average Earnings
$65,430
Average Male
$51,031
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
66.17% of Islip 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.
rate
6.21%
Overall Poverty Rate
5.47%
Male Poverty Rate
6.96%
Female Poverty Rate
The race most likely to be in poverty in Islip is Black, with 9.04% below the poverty level.
The race least likely to be in poverty in Islip 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%.
Married
Widowed
Divorced
Separated
NeverMarried
47.1%
Overall Marriage Rate
48.7%
Male Marriage Rate
45.5%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
4.07%
Veteran Poverty Rate
23.41%
Veteran Disability Rate
LaborForceParticipation
67.9%
Labor Force Participation
65%
Employment Rate
4.2%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
70.07%
Born in Islip
78.26%
Native Born
21.74%
Foreign Born
9.82%
Non Citizen
11.92%
Naturalized
78.26% of Islip 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.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 321,822 | -2,300 | -0.71% |
| 2028 | 324,122 | -2,300 | -0.7% |
| 2027 | 326,422 | -2,300 | -0.7% |
| 2026 | 328,722 | -2,300 | -0.69% |
| 2025 | 331,022 | -2,300 | -0.69% |
| 2024 | 333,322 | -2,300 | -0.69% |
| 2023 | 335,622 | -2,300 | -0.68% |
| 2022 | 337,922 | -2,300 | -0.68% |
| 2021 | 340,222 | 1,178 | 0.35% |
| 2020 | 339,044 | 9,228 | 2.8% |
| 2019 | 329,816 | -1,038 | -0.31% |
| 2018 | 330,854 | -367 | -0.11% |
| 2017 | 331,221 | -940 | -0.28% |
| 2016 | 332,161 | -1,554 | -0.47% |
| 2015 | 333,715 | -1,181 | -0.35% |
| 2014 | 334,896 | -778 | -0.23% |
| 2013 | 335,674 | -180 | -0.05% |
| 2012 | 335,854 | -567 | -0.17% |
| 2011 | 336,421 | 881 | 0.26% |
| 2010 | 335,540 | 0 | 0% |