With 26,865 people, West Islip is a city in New York. Households here earn about 105% more than in New York as a whole. Owners hold 95% of the housing stock. Households take in $176,281 a year at the median, 114% more than the country as a whole. Median rent is $2,765 a month. Few US cities rank higher on income.
At a glance
Wealthier
median household income $176,281, above the US median
US median: $82,259
Mid-age
median age 38.5
US median: 38.9
More educated
50% hold a bachelor's degree
US average: 36%
Less affordable
home values up 63%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about West Islip
What changed most since 1990
Adults with a bachelor's degree21.4% → 49.8%(+28.3 pts)US over the same years: +15.3 pts
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)13.4%(75)
US avg: 26.4%
Gulf War (1990s)17.7%(99)
US avg: 24.3%
Vietnam era40.2%(225)
US avg: 33.1%
Korean War1.3%(7)
US avg: 4.5%
World War II0%(0)
US avg: 1%
Share of the 560 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
West Islip, decade by decade
West Islip population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
28,419
$136,998
$402,252
21.4%
8.8
2000
28,907
$138,289
$377,993
26.3%
14.2
2010
28,335
$139,890
$655,413
33.3%
20.4
2020
27,048
$160,492
$546,630
41.8%
32.7
2024
26,865
$176,281
$614,300
49.8%
40.2
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.
