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CITY

Central Islip

New York · 38,373 residents · 7.16 sq mi
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Part of the New York metro area
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
median household income $113,707, 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
Unique to this place

What stands out about Central Islip

What changed most since 1990

  • Hispanic share26.2% → 63.1% (+36.9 pts)US over the same years: +9.9 pts
  • White share48.4% → 14.2% (−34.2 pts)US over the same years: −17.8 pts
  • Adults with a bachelor's degree11.0% → 19.3% (+8.3 pts)US over the same years: +15.3 pts

Among the 810 cities and towns in the New York metro

  • 515th in household income$113,707
  • 779th in share with a bachelor's degree19.3%
  • 640th in home value$436,400
  • 254th in diversity score68.9

Its weight in Suffolk County

Central Islip's population equals 2.5% of Suffolk County's. Its number of adults with a bachelor's degree or higher equals 1.1% of the county's. Its number of foreign-born residents equals 5.6% of the county's.

Section 01

Population & growth

Total population
38,373
+20%since 2000
from 31,950 in 2000
1990 – 2024
Population density
5,363 / sq mi
+20%since 2000
from 4,465 / sq mi in 2000
US average: 281
Median age
34.6
+9%since 2000
from 31.6 in 2000
US average: 38.9
Land area
7.16 sq mi
Population, 1990 – 2024
25K28K32K36K40K19902000201020202024Central Islip
202438K
1990201020202024
Age distribution, 2024
Under 57%(2,672)
US avg: 5.6%
5 to 95.5%(2,113)
US avg: 6%
10 to 148.7%(3,335)
US avg: 6.4%
15 to 198.5%(3,259)
US avg: 6.6%
20 to 246.9%(2,644)
US avg: 6.5%
25 to 3413.7%(5,269)
US avg: 13.7%
35 to 4414.3%(5,483)
US avg: 13.2%
45 to 5413%(4,989)
US avg: 12.2%
55 to 6410.9%(4,200)
US avg: 12.7%
65 to 746.4%(2,442)
US avg: 10.2%
75 to 844.2%(1,616)
US avg: 5.1%
85 and over0.9%(351)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$113,707
+12%inflation adjusted, since 2000
from $55,504 in 2000
US average: $82,259
1990 – 2024
Per capita income
$33,523
+87%since 2000
from $17,910 in 2000
US average: $44,673
Households earning $100K+
66.5%
+22.2 ptssince 2009
from 44.2% in 2009
US average: 53.3%
Poverty rate
9.2%
−2.2 ptssince 2000
from 11.4% in 2000
US average: 12.5%
Income inequality (Gini)
0.396
+6%since 2010
from 0.374 in 2010
US average: 0.476
Workforce by industry, 2024
Information10.8%
US avg: 10.8%
Retail trade10.6%
US avg: 9.9%
Finance & insurance8.1%
US avg: 5.9%
Wholesale trade8%
US avg: 6.9%
Professional, scientific, technical7.6%
US avg: 5.1%
Other services4.4%
US avg: 6.7%
Transportation & warehousing4%
US avg: 2.2%
Public administration3.8%
US avg: 4.8%
Arts, entertainment, food1.3%
US avg: 1.9%
Education & health services0.5%
US avg: 0.9%
Agriculture, forestry, fishing0.4%
US avg: 1.6%
Manufacturing0.4%
US avg: 0.4%
Construction0%
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$436,400
+78%inflation adjusted, since 2000
from $134,500 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$2,071
+26%inflation adjusted, since 2000
from $899 in 2000
US average: $1,442
Owner-occupied
78.2%
+5.1 ptssince 2000
from 73.1% in 2000
21.8% rent
Vacancy rate
10.5%
+6.2 ptssince 2009
from 4.2% in 2009
US average: 10.0%
Persons per household
3.99 people
+8%since 2009
from 3.71 people in 2009
US average: 2.54
Owner cost-burdened
31.9%
−24.2 ptssince 2009
from 56.1% in 2009
US average: 22.9%
Renter cost-burdened
60.2%
+1.8 ptssince 2009
from 58.4% in 2009
US average: 47.4%
Afford Score
3.8
−19%since 2009
from 4.7 in 2009
1990 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
42
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic31.8%(10,162)
Black25.8%(8,244)
Hispanic / Latino35.8%(11,452)
Asian3%(971)
Other0%
2024
White, non-Hispanic14.2%(5,464)
Black16.9%(6,486)
Hispanic / Latino63.1%(24,198)
Asian1.8%(676)
Other4%(1,549)
Diversity Score
69
−19%since 2009
from 85 in 2009
1990 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Central American34%(13,052)
Salvadoran28.1%(10,800)
South American9.9%(3,789)
Puerto Rican7.3%(2,791)
Dominican5.9%(2,265)
Honduran3.6%(1,363)
Peruvian2.9%(1,123)
Ecuadorian2.9%(1,116)
Colombian2.5%(959)
Mexican2.4%(927)
Guatemalan1.6%(603)
Chilean0.9%(357)
+ 7 more hispanic origin groups with data
Cuban0.7%(274)
Nicaraguan0.5%(201)
Panamanian0.2%(68)
Spaniard0.1%(52)
Argentine0.1%(31)
Venezuelan0.1%(29)
Asian origin
Asian Indian0.8%(293)
Filipino0.4%(166)
Chinese0.3%(100)
Pakistani0.2%(72)
Korean0%(11)
Pacific Islander origin
Fijian0%(12)
Ancestry
Italian4.6%(1,769)
American3.9%(1,508)
West Indian3.9%(1,480)
Irish3.8%(1,453)
German2.7%(1,040)
Haitian2.1%(794)
Jamaican1.2%(453)
Guyanese0.8%(315)
English0.8%(292)
Polish0.5%(205)
Nigerian0.5%(173)
+ 24 more ancestry groups with data
Russian0.3%(124)
French0.3%(117)
Portuguese0.2%(89)
Greek0.2%(88)
Ukrainian0.2%(76)
Czech0.1%(50)
Barbadian0.1%(41)
Swedish0.1%(37)
Dutch0.1%(33)
Hungarian0.1%(31)
Swiss0.1%(24)
Arab0.1%(23)
Slovak0%(18)
Ghanaian0%(17)
Norwegian0%(14)
Finnish0%(8)
Danish0%(7)
Section 05

Education

Bachelor's degree or higher
19.3%
+4.5 ptssince 2000
from 14.9% in 2000
US average: 35.6%
High school or higher
76.1%
+1.9 ptssince 2000
from 74.3% in 2000
US average: 89.6%
Graduate degree
7.1%
+1.4 ptssince 2000
from 5.7% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
27.3 min
+27%since 2000
from 21.5 min in 2000
US average: 26.5
Drive alone to work
71.1%
−2.7 ptssince 2009
from 73.8% in 2009
US average: 68.9%
Carpooled to work
13.9%
+1.0 ptssince 2009
from 12.9% in 2009
US average: 8.5%
Public transit
4.2%
−2.9 ptssince 2009
from 7.1% in 2009
US average: 3.2%
Worked from home
6.7%
+4.4 ptssince 2009
from 2.3% in 2009
US average: 15.0%
Walked to work
0.4%
−1.1 ptssince 2009
from 1.5% in 2009
US average: 2.4%
Biked to work
1.2%
+1.0 ptssince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
11.0%
+1.8 ptssince 2009
from 9.2% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
6.1%
−5.4 ptssince 2011
from 11.5% in 2011
US average: 5.2%
Labor force participation
65.8%
−5.8 ptssince 2011
from 71.6% in 2011
US average: 63.5%
Women 20-64 in the labor force
73.0%
+2.3 ptssince 2020
from 70.7% in 2020
US average: 74.6%
Self-employed
13.5%
−1.0 ptssince 2009
from 14.5% in 2009
US average: 13.1%
Management & professional
25.2%
+1.3 ptssince 2009
from 23.8% in 2009
US average: 42.5%
Section 08

People & community

Male
50.6%
−1.6 ptssince 2009
from 52.2% in 2009
Female
49.4%
+1.6 ptssince 2009
from 47.8% in 2009
Foreign born
37.4%
+3.7 ptssince 2009
from 33.7% in 2009
US average: 14.1%
Veterans
2.4%
−5.3 ptssince 2009
from 7.6% in 2009
US average: 6.2%
With a disability
9.5%
−0.2 ptssince 2012
from 9.7% in 2012
US average: 13.3%
Uninsured
10.3%
−12.2 ptssince 2013
from 22.5% in 2013
US average: 8.4%
Broadband at home
91.3%
+13.9 ptssince 2017
from 77.4% in 2017
US average: 91.0%
Computer in household
95.1%
+3.4 ptssince 2020
from 91.7% in 2020
US average: 95.5%
Same house as last year
92.9%
+1.4 ptssince 2020
from 91.5% in 2020
US average: 87.7%
English only at home
38.2%
−10.0 ptssince 2016
from 48.1% in 2016
US average: 77.7%
Spanish at home
56.5%
+10.4 ptssince 2016
from 46.0% in 2016
US average: 13.6%
Marital status
Men 15+
Never married46.8%(7,122)
Married45.2%(6,877)
Widowed1.2%(184)
Divorced6.8%(1,038)
Women 15+
Never married42.7%(6,420)
Married39.8%(5,983)
Widowed6.8%(1,015)
Divorced10.7%(1,614)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
10.3%
−12.2 ptssince 2013
from 22.5% in 2013
US average: 8.4%
Employer-based
47.7%
−6.0 ptssince 2020
from 53.7% in 2020
US average: 54.8%
Direct-purchase
16.7%
+2.8 ptssince 2020
from 13.9% in 2020
US average: 13.8%
Medicare
12.5%
−0.5 ptssince 2020
from 13.0% in 2020
US average: 18.4%
Medicaid
32.3%
+5.2 ptssince 2020
from 27.1% in 2020
US average: 20.9%
VA health care
1.1%
+0.1 ptssince 2020
from 1.0% in 2020
US average: 2.2%
Any private
62.5%
−3.5 ptssince 2020
from 66.0% in 2020
US average: 67.1%
Any public
40.8%
+4.7 ptssince 2020
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)
US avg: 26.4%
Gulf War (1990s)30.1%(202)
US avg: 24.3%
Vietnam era37.9%(254)
US avg: 33.1%
Korean War3.3%(22)
US avg: 4.5%
World War II0.7%(5)
US avg: 1%

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.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time

Central Islip, decade by decade

Central Islip population, inflation-adjusted income and home value, education, and diversity by year
YearPopulationMedian household incomeMedian home valueBachelor's degree+Diversity score
199026,028$101,845$295,68811.0%80.2
200031,950$101,109$245,01314.9%87.7
201034,450$99,083$470,41316.5%79.9
202036,714$96,533$360,09718.5%73.3
202438,373$113,707$436,40019.3%68.9

Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.

Drill deeper

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Head to head

Compare Central Islip to nearby cities

CENTRAL ISLIP VS
Hauppauge
Income$141,378+24%
Home value$652,900+50%
Population20,793−46%
SEE FULL COMPARISON →
CENTRAL ISLIP VS
Bohemia
Income$125,781+11%
Home value$557,700+28%
Population9,181−76%
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CENTRAL ISLIP VS
Islip
Income$120,909+6%
Home value$542,200+24%
Population17,362−55%
SEE FULL COMPARISON →
CENTRAL ISLIP VS
North Bay Shore
Income$141,915+25%
Home value$497,600+14%
Population20,282−47%
SEE FULL COMPARISON →
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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →