US Census Data

West Islip

In Suffolk County, New York.

Population
26,559
-1.1%’19–’23
Median household income
$171,045
+36.0%’19–’23
Median home value
$592,700
+38.9%’19–’23

West Islip is a community in Suffolk County, New York, home to 26,559 residents. At $171,045, its median household income sits above Suffolk County's $128,329.

Between 2019 and 2023, West Islip's population declined 1.1% from 26,844 to 26,559, while its median home value rose 38.9% from $426,700 to $592,700.

96.2% of homes are single-family detached houses. The typical home was built around 1960.

Demographics

ACS 2019–2023
Population
26,559
Median age
39.8 yrs
Median household income
$171,045
Median home value
$592,700
Median gross rent
$2,613
Housing units
8,650
Homeownership rate
95.8%
Bachelor's degree or higher
50.1%
Unemployment rate
3.7%

Trends

ACS 5-year · 2019–2023
Population
26,84426,559
Median household income
$125,779$171,045
Median home value
$426,700$592,700
Median gross rent
$2,017$2,613
YearPopulationMedian household incomeMedian home valueMedian gross rent
201926,844$125,779$426,700$2,017
202026,614$132,415$451,000$2,047
202127,557$141,957$465,500$1,978
202227,192$161,792$546,800$2,358
202326,559$171,045$592,700$2,613

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 51,6826.3%
5 to 173,91914.8%
18 to 242,89110.9%
25 to 343,27712.3%
35 to 443,27112.3%
45 to 543,68513.9%
55 to 644,10815.5%
65 to 742,2448.4%
75 and over1,4825.6%

Race & ethnicity

CountShare
White (non-Hispanic)21,54781.1%
Black or African American2751.0%
American Indian & Alaska Native50.0%
Asian4731.8%
Native Hawaiian & Pacific Islander00.0%
Some other race1270.5%
Two or more races8533.2%
Hispanic or Latino (any race)3,27912.3%

Educational attainment (age 25+)

CountShare
No high school diploma6713.7%
High school graduate3,66820.3%
Some college or associate's4,68525.9%
Bachelor's degree4,83226.7%
Graduate or professional degree4,21123.3%

Commute to work

Mean travel time to work
31 min

How workers get to work

CountShare
Drove alone11,12675.0%
Carpooled8725.9%
Public transit8155.5%
Walked470.3%
Bicycle60.0%
Worked from home1,82512.3%
Other means1461.0%

Travel time

CountShare
Under 15 min3,29725.3%
15 to 29 min4,62135.5%
30 to 44 min2,17716.7%
45 to 59 min1,1638.9%
60+ min1,75413.5%

Households

Average household size
3.09
Poverty rate
2.7% (699 of 26,272)
CountShare
Family households7,00882.4%
Nonfamily households1,50217.6%

Housing

Median year structure built
1960

Occupancy

CountShare
Occupied8,51098.4%
Vacant1401.6%

Tenure (of occupied units)

CountShare
Owner-occupied8,15695.8%
Renter-occupied3544.2%

Units in structure

CountShare
1-unit, detached8,32196.2%
1-unit, attached1772.0%
2 to 4 units730.8%
5 to 19 units730.8%
20 or more units00.0%
Mobile home & other60.1%

Geography

Place GEOID
3680302
Type (LSAD)
57
Land area
6.09 sq mi
Water area
1.71 sq mi
Center point
40.7029, -73.2955

Compare with nearby cities

5

New York rankings

21

Other places in Suffolk County

158