Islip, New York Population 2020

329,810
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Islip is a city located in New York. Islip has a 2020 population of 329,810. Islip is currently declining at a rate of -0.17% annually and its population has decreased by -1.80% since the most recent census, which recorded a population of 335,861 in 2010. Islip reached it's highest population of 336,716 in 2011.

The average household income in Islip is $114,562 with a poverty rate of 7.83%. The median rental costs in recent years comes to $1,675 per month, and the median house value is $356,800. The median age in Islip is 38.3 years, 36.8 years for males, and 39.8 years for females. For every 100 females there are 97.6 males.

Islip Demographics

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

  • White: 73.98%
  • Black or African American: 10.54%
  • Other race: 9.26%
  • Two or more races: 3.10%
  • Asian: 2.60%
  • Native American: 0.46%
  • Native Hawaiian or Pacific Islander: 0.05%
The current population of Islip, New York is 329,810, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 330,914.The last official US Census in 2010 recorded the population at 335,861.

Islip, New York Population 2020

Population by Race

Race Population Percentage
White246,25873.98%
Black or African American35,07610.54%
Some Other Race30,8349.26%
Two or More Races10,3203.10%
Asian8,6682.60%
American Indian and Alaska Native1,5330.46%
Native Hawaiian and Other Pacific Islander1730.05%
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Islip Population Pyramid 2020

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Islip Median Age

38.3


Total

36.8


Male

39.8


Female

Islip Adults

There are 255,304 adults, (43,028 of whom are seniors) in Islip.

Islip Age Dependency

56.8

Age Dependency Ratio

20.3

Old Age Dependency Ratio

36.5

Child Dependency Ratio

Islip Sex Ratio

Female

168,428

50.60%

Male

164,434

49.40%

Islip Households and Families

Islip Renter vs Owner Occupied by Household Type

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Islip Household Types

Type Owner Renter
Married87.6%12.4%
All77.6%22.4%
Male69%31%
Female68.4%31.6%
Non Family62%38%

77.6%

Rate of Home Ownership

Type Count Average Size Owned
All98,6263.3477.6
Married55,1393.9187.6
Non Family23,8041.2962
Female13,3984.1468.4
Male6,2854.3869

3.81

Average Family Size

3.34

Average Household Size

5.2%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

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Islip Education

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Education Attained Count Percentage
Less Than 9th Grade15,7947.08%
9th to 12th Grade16,0727.21%
High School Graduate66,52329.83%
Some College39,44617.69%
Associates Degree19,4658.73%
Bachelors Degree36,89916.55%
Graduate Degree28,80012.91%
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Islip Educational Attainment by Race

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Name Total High School Bachelors
White131,537123,78847,322
Hispanic62,18541,7189,125
Black22,05219,3615,783
Other Race17,38110,9902,182
Asian6,1165,2373,078
Multiple Races4,9463,5621,183
Native American981629138
Islander14214251

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

The highest rate of bachelors degrees is among asian people with a rate of 50.33%.

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Name Average Male Female
Overall$45,907$53,126$40,304
Less Than High School$27,304$31,831$22,848
High School Grad$37,172$44,672$29,287
Some College$46,509$57,673$39,356
Bachelors Degree$60,669$71,740$50,541
Graduate Degree$83,924$100,842$74,641

$45,907

Average Earnings

$53,126

Average Male

$40,304

Average Female

Islip Language

Islip Language by Age

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Islip Language

67.72% of Islip residents speak only English, while 32.28% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 26.27% of the population.

Islip Poverty

Islip Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic102,74111,93111.61%
White181,1479,5355.26%
Other30,4404,00613.16%
Black34,5403,2559.42%
Multiple10,0561,55615.47%
Asian8,6226387.40%
Native1,50823815.78%
Islander1733117.92%

7.83%

Overall Poverty Rate

6.97%

Male Poverty Rate

8.67%

Female Poverty Rate

Poverty in Islip

The race most likely to be in poverty in Islip is Islander, with 17.92% below the poverty level.

The race least likely to be in poverty in Islip is White, with 5.26% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.68%. Among those working part-time, it was 8.16%, and for those that did not work, the poverty rate was 14.60%.

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Name Poverty
Less Than High School16.64%
High School8.31%
Some College5.62%
Bachelors or Greater2.58%
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Name Poverty
Female Unemployed18.13%
Male Unemployed16.36%
Female Employed3.81%
Male Employed3.10%

Islip Income

Islip Income by Household Type

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Name Median Mean
Households$94,325$114,562
Families$106,806$126,069
Married Families$122,688$142,114
Non Families$47,088$65,238
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Islip Marital Status

Islip Marital Status

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Marriage Rates

47.3%

Overall Marriage Rate

49.1%

Male Marriage Rate

45.6%

Female Marriage Rate

Islip Married by Age and Sex

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Islip 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 45-54.

Islip Marital Status by Race

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Islip Veterans

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12,381

Number of Veterans

11,705

Male Veterans

676

Female Veterans

War Veterans
Vietnam4,349
First Gulf War1,664
Korea1,505
Second Gulf War990
World War II535
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Age Group Veterans
75+3,672
65 to 743,672
35 to 542,491
55 to 642,005
18 to 34541
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Name Veterans % of Total
White10,8135.59%
Hispanic1,4041.92%
Black1,0723.99%
Other2931.40%
2 or More1532.56%
Asian370.55%
Indian131.13%

Islip Veterans by Education

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6.01%

Veteran Poverty Rate

23.26%

Veteran Disability Rate

Islip Employment Status

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67.4%

Labor Force Participation

64.2%

Employment Rate

4.7%

Unemployment Rate

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Year Population Growth Annual Growth Rate
2020329,810-552-0.17%
2019330,362-552-0.17%
2018330,914-552-0.17%
2017331,466-1,037-0.31%
2016332,503-1,585-0.47%
2015334,088-1,149-0.34%
2014335,237-758-0.23%
2013335,995-172-0.05%
2012336,167-549-0.16%
2011336,7168550.25%
2010335,8610.00%