CensusEasy
CITY · 1990 CENSUS

Islip

New York · 18,924 residents · 4.749 sq mi
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The short version

Islip is significantly wealthier than the US average, with a median household income of $50,459. Population has declined 8% since 2000. Median home value is $154,500. Poverty is rare here, at 3.5% of residents. Households here earn about 53% more than the New York median.

At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 32.1
US median: 33.0
Average education
19% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

18,924
−8%vs 2000
vs 20,575 in 2000
1990 – 2024
3,985 / sq mi
−8%vs 2000
vs 4,332 / sq mi in 2000
US average: 221
32.1
−11%vs 2000
vs 36.1 in 2000
US average: 33.0
Population, 19902024
17K18K19K20K21K1990201020202024Islip
202417K
1990201020202024
Section 02

Income & economy

$50,459
+1%inflation adjusted, since 2000
vs $65,657 in 2000
US average: $30,130
1990 – 2024
$18,515
−27%vs 2000
vs $25,383 in 2000
US average: $14,340
3.5%
−0.6 ptsvs 2000
vs 4.1% in 2000
US average: 13.2%
Section 03

Housing

$154,500
+18%inflation adjusted, since 2000
vs $171,800 in 2000
US average: $93,722
1990 – 2024
$794
+10%inflation adjusted, since 2000
vs $948 in 2000
US average: $450
78.5%
+4.5 ptsvs 2000
vs 74.0% in 2000
21.5% rent
3.1
+17%vs 2000
vs 2.6 in 2000
1990 – 2024
RELATED:See current rent listings in Islip on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic81.3%(16,721)
Black4.6%(937)
Hispanic / Latino10.7%(2,195)
Asian2%(410)
Other0%
Diversity Score38.1%(7,838)
1990
White, non-Hispanic93%(17,594)
Black3.3%(622)
Hispanic / Latino7.2%(1,371)
Asian1.2%(224)
Other2.6%(484)
Diversity Score30.3%(5,731)
30
−21%vs 2000
vs 38 in 2000
1990 – 2024
Section 05

Education

19.0%
−4.5 ptsvs 2000
vs 23.6% in 2000
US average: 20.3%
High school or higher
84.6%
−3.6 ptsvs 2000
vs 88.3% in 2000
US average: 75.2%
6.7%
−4.0 ptsvs 2000
vs 10.8% in 2000
US average: 7.1%
Section 06

Commute & transportation

25.2 min
+9%vs 2000
vs 23.1 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Islip, New York?

Islip, New York has about 18,924 residents according to the 1990 Census.

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

The typical household in Islip, New York earns about $50,459 a year. Half of households make more than that, and half make less.

Is Islip, New York expensive?

In Islip, New York, the median home is worth about $154,500, and the typical rent is about $794 a month.

How educated are people in Islip, New York?

About 19.0% of adults age 25 and over in Islip, New York hold a bachelor's degree or higher.

What is the poverty rate in Islip, New York?

About 3.5% of people in Islip, New York live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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