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CITY · 2000 CENSUS

Central Islip

New York · 31,950 residents · 7.155 sq mi
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The short version

Central Islip is significantly wealthier than the US average, with a median household income of $55,504. Population has grown 23% since 1990. 15% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value is $134,500. Households here earn about 28% more than the New York median.

At a glance
Wealthier
above the US median
US median: $42,589
Younger
median age 31.6
US median: 35.2
Less educated
15% hold a bachelor's degree
US average: 24%
More affordable
home values down 17%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
31,950
+23%since 1990
from 26,028 in 1990
1990 – 2024
Median age
31.6
+8%since 1990
from 29.2 in 1990
US average: 35.2
Population, 1990 – 2024
25K28K32K36K40K1990201020202024Central Islip
202438K
1990201020202024
Age distribution, 2000
Under 57.7%(2,476)
US avg: 6.8%
5 to 98.9%(2,844)
US avg: 7.3%
10 to 148%(2,552)
US avg: 7.3%
15 to 197.9%(2,518)
US avg: 7.2%
20 to 247.7%(2,457)
US avg: 6.7%
25 to 3415.3%(4,889)
US avg: 14.2%
35 to 4417.2%(5,506)
US avg: 16%
45 to 5411.9%(3,789)
US avg: 13.4%
55 to 648%(2,549)
US avg: 8.6%
65 to 744.7%(1,493)
US avg: 6.5%
75 to 842.2%(696)
US avg: 4.4%
85 and over0.6%(181)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$55,504
−1%inflation adjusted, since 1990
from $42,434 in 1990
US average: $42,589
1990 – 2024
Per capita income
$17,910
+34%since 1990
from $13,356 in 1990
US average: $21,522
Poverty rate
11.4%
+1.3 ptssince 1990
from 10.1% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$134,500
−17%inflation adjusted, since 1990
from $123,200 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$899
−14%inflation adjusted, since 1990
from $794 in 1990
US average: $602
Owner-occupied
73.1%
−0.5 ptssince 1990
from 73.6% in 1990
26.9% rent
RELATED:See current rent listings in Central Islip on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic62.6%(16,305)
Black24.9%(6,472)
Hispanic / Latino26.2%(6,819)
Asian1.7%(433)
2000
White, non-Hispanic31.8%(10,162)
Black25.8%(8,244)
Hispanic / Latino35.8%(11,452)
Asian3%(971)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

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)
RANKED:Largest Central American population · Largest Salvadoran population · Largest South American population · Largest Puerto Rican population · Largest Dominican population
Section 05

Education

Bachelor's degree or higher
14.9%
+3.8 ptssince 1990
from 11.0% in 1990
US average: 24.4%
High school or higher
74.3%
+1.3 ptssince 1990
from 73.0% in 1990
US average: 80.3%
Graduate degree
5.7%
+1.6 ptssince 1990
from 4.1% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
21.5 min
−14%since 1990
from 24.9 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married39.4%(4,608)
Married51.8%(6,053)
Widowed2%(230)
Divorced6.9%(805)
Women 15+
Never married31.2%(3,882)
Married52.4%(6,516)
Widowed6.4%(793)
Divorced9.9%(1,233)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
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Compare Central Islip to nearby cities

CENTRAL ISLIP VS
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Income$141,378+155%
Home value$652,900+385%
Population20,793−46%
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CENTRAL ISLIP VS
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Home value$557,700+315%
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CENTRAL ISLIP VS
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Income$120,909+118%
Home value$542,200+303%
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CENTRAL ISLIP VS
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Income$141,915+156%
Home value$497,600+270%
Population20,282−47%
SEE FULL COMPARISON →
Frequently asked

How many people live in Central Islip, New York?

Central Islip, New York has about 31,950 residents according to the 2000 Census.

What is the median household income in Central Islip, New York?

The typical household in Central Islip, New York earns about $55,504 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 $134,500, and the typical rent is about $899 a month.

How educated are people in Central Islip, New York?

About 14.9% 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 11.4% 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 5,922 residents, a change of about 23 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 →