United States › New York › Central Islip CITY
Central Islip New York · 38,373 residents · 7.16 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
With 38,373 people, Central Islip is a city in New York. The foreign-born share is 37%. 19% of adults hold a bachelor's degree, below the 36% national rate. That puts it in the top 5% of US cities for household income. 78% of homes are owner-occupied. Density works out to 5,363 people per square mile.
At a glance
Wealthier
above the US median
US median: $82,259
Younger
median age 34.6
US median: 38.9
Less educated
19% hold a bachelor's degree
US average: 36%
Less affordable
home values up 78%, inflation adjusted
US median home: $376,019
Section 01
Population & growth 5,363 / sq mi
+15%since 2009
from 4,669 / sq mi in 2009
US average: 281
from 31.6 in 2000
US average: 38.9
Population, 1990 – 2024
25K 28K 32K 36K 40K 1990 2000 2010 2020 2024 Central Islip Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $113,707
+12%inflation adjusted, since 2000
from $55,504 in 2000
US average: $82,259
from $17,910 in 2000
US average: $44,673
Households earning $100K+
from 44.2% in 2009
US average: 53.3%
from 11.4% in 2000
US average: 12.5%
from 0.374 in 2010
US average: 0.476
Workforce by industry, 2024
Professional, scientific, technical 7.6%
Transportation & warehousing 4%
Public administration 3.8%
Arts, entertainment, food 1.3%
Education & health services 0.5%
Agriculture, forestry, fishing 0.4%
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$436,400
+78%inflation adjusted, since 2000
from $134,500 in 2000
US average: $376,019
$2,071
+26%inflation adjusted, since 2000
from $899 in 2000
US average: $1,442
from 73.1% in 2000
21.8% rent
from 4.2% in 2009
US average: 10.0%
from 3.71 people in 2009
US average: 2.54
from 56.1% in 2009
US average: 22.9%
from 58.4% in 2009
US average: 47.4%
from 4.7 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 31.8%(10,162)
Hispanic / Latino 35.8%(11,452)
2024
White, non-Hispanic 14.2%(5,464)
Hispanic / Latino 63.1%(24,198)
from 85 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 7 more hispanic origin groups with data Ancestry
+ 24 more ancestry groups with data from 14.9% in 2000
US average: 35.6%
High school or higher
from 74.3% in 2000
US average: 89.6%
from 5.7% in 2000
US average: 14.0%
Section 06
Commute & transportation from 21.5 min in 2000
US average: 26.5
from 73.8% in 2009
US average: 68.9%
from 12.9% in 2009
US average: 8.5%
from 7.1% in 2009
US average: 3.2%
from 2.3% in 2009
US average: 15.0%
from 1.5% in 2009
US average: 2.4%
from 0.1% in 2009
US average: 0.4%
from 9.2% in 2009
US average: 8.3%
Section 07
Work & employment from 11.5% in 2011
US average: 5.2%
from 71.6% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 70.7% in 2020
US average: 74.6%
from 14.5% in 2009
US average: 13.1%
from 23.8% in 2009
US average: 42.5%
Section 08
People & community from 33.7% in 2009
US average: 14.1%
from 7.6% in 2009
US average: 6.2%
from 9.7% in 2012
US average: 13.3%
from 22.5% in 2013
US average: 8.4%
from 77.4% in 2017
US average: 91.0%
Computer in household
from 91.7% in 2020
US average: 95.5%
from 91.5% in 2020
US average: 87.7%
from 48.1% in 2016
US average: 77.7%
from 46.0% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 46.8%(7,122)
Women 15+
Never married 42.7%(6,420)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 22.5% in 2013
US average: 8.4%
from 53.7% in 2020
US average: 54.8%
Direct-purchase
from 13.9% in 2020
US average: 13.8%
from 13.0% in 2020
US average: 18.4%
from 27.1% in 2020
US average: 20.9%
VA health care
from 1.0% in 2020
US average: 2.2%
Any private
from 66.0% in 2020
US average: 67.1%
Any public
from 36.1% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 15.8%(106)
Gulf War (1990s) 30.1%(202)
Share of the 670 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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Frequently asked
How many people live in Central Islip, New York? Central Islip, New York has about 38,373 residents according to the 2024 American Community Survey.
What is the median household income in Central Islip, New York? The typical household in Central Islip, New York earns about $113,707 a year. Half of households make more than that, and half make less.
Is Central Islip, New York expensive? In Central Islip, New York, the median home is worth about $436,400, and the typical rent is about $2,071 a month.
How educated are people in Central Islip, New York? About 19.3% of adults age 25 and over in Central Islip, New York hold a bachelor's degree or higher.
What is the poverty rate in Central Islip, New York? About 9.2% of people in Central Islip, New York live below the federal poverty line.
Has Central Islip, New York grown since 1990? Yes, Central Islip, New York has grown since 1990. The population has added about 12,345 residents, a change of about 47 percent over that period.
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