What is the median home value in West Islip, NY?

Name: Home values in West Islip, NY, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

The median value of owner-occupied homes in West Islip, NY is $614,300 (±$14,318), as owners estimated it in the Census Bureau’s 2020–2024 American Community Survey.

In West Islip, the median home value went from $426,700 in 2015–2019 to $614,300 in 2020–2024 (+44.0%).

Prices (CPI-U) rose 22.7% over the same years, so it rose faster than prices: a measurable increase after inflation.

Figures last updated on November 12, 2026.

Median home value: $614,300 (±$14,318)
Owner-occupied homes: 8,080 (±518)
Most common range: $500,000 to $999,999

Home values in West Islip

Owner-occupied homes by value, 2020–2024
Value	West Islip	Suffolk County	New York	United States
Less than $50,000	0.2% (±0.2 points)	1.6%	3.9%	5.3%
$50,000 to $99,999	1.2% (±0.7 points)	1.3%	5.6%	6.1%
$100,000 to $149,999	0.2% (±0.3 points)	0.9%	6.7%	6.8%
$150,000 to $199,999	0.7% (±0.6 points)	1.0%	8.3%	9.0%
$200,000 to $299,999	1.8% (±1.3 points)	3.6%	13.2%	17.8%
$300,000 to $499,999	22.4% (±3.3 points)	29.4%	19.7%	26.9%
$500,000 to $999,999	66.7% (±3.7 points)	51.4%	30.1%	20.9%
$1,000,000 or more	6.9% (±1.8 points)	10.6%	12.6%	7.1%

The most common range is $500,000 to $999,999, 66.7% of owned homes.

Value is the owner’s own estimate of what the home and lot would sell for, not a sale price or an assessment.

West Islip against Suffolk County, its state and the nation

Estimate (90% margin of error)
	West Islip	Suffolk County	New York	United States
Median home value	$614,300 (±$14,318)	$578,400 (±$2,887)	$423,800 (±$1,627)	$332,700
Owner-occupied homes	8,080 (±518)	421,146 (±2,868)	4,196,985 (±19,607)	84,210,142

In West Islip, the median home value is higher than in Suffolk County ($578,400).

It is also higher than in New York ($423,800).

It is higher than the national figure ($332,700).

In Suffolk County, West Islip ranks 57 of 111 places with a published estimate, from highest to lowest median home value.

Statewide, it ranks 131 of 403.

Rankings use the estimates alone; where margins of error overlap, neighboring ranks may not truly differ.

How home values in West Islip have changed since 2015–2019

2015–2019 and 2020–2024 American Community Survey 5-year estimates
	2015–2019	2020–2024	Amount of change	Verdict
Median home value	$426,700 (±$7,931)	$614,300 (±$14,318)	+44.0%	Up after inflation
Median owner cost with a mortgage	$3,099 (±$71)	$3,521 (±$112)	+13.6%	Down after inflation

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Median home value in places near West Islip

Nearest places with a published estimate, compared with West Islip
Place	Distance	Median home value	Compared with this place
West Islip	—	$614,300 (±$14,318)	—
Village of Babylon	1.7 mi	$658,500 (±$28,271)	Higher
West Bay Shore	1.9 mi	$584,400 (±$37,458)	Not measurably different
Village of Brightwaters	2.0 mi	$768,600 (±$58,788)	Higher
North Babylon	2.5 mi	$520,500 (±$24,135)	Lower
Bay Shore	3.0 mi	$492,200 (±$19,074)	Lower
West Babylon	3.4 mi	$531,900 (±$16,055)	Lower
Baywood	3.5 mi	$456,500 (±$19,400)	Lower
Village of Lindenhurst	4.2 mi	$521,500 (±$23,526)	Lower

Nearby places with a measurably lower figure: North Babylon, NY ($520,500), Bay Shore, NY ($492,200), West Babylon, NY ($531,900).

Nearby places with a measurably higher figure: Village of Babylon, NY ($658,500), Village of Brightwaters, NY ($768,600).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Median home value across Suffolk County, place by place

Rank	Place	Median home value
51	Greenlawn	$630,800 (±$26,000)
52	East Northport	$623,800 (±$12,293)
53	Stony Brook	$623,300 (±$16,998)
54	Kings Park	$619,000 (±$12,651)
55	Blue Point	$614,900 (±$31,613)
56	Miller Place	$614,400 (±$20,741)
57	West Islip	$614,300 (±$14,318)
58	Aquebogue	$613,200 (±$48,535)
59	Oakdale	$613,000 (±$20,844)
60	East Shoreham	$604,100 (±$39,104)
61	Manorville	$601,000 (±$17,332)
62	East Islip	$593,200 (±$22,899)
63	Center Moriches	$586,900 (±$33,706)

Showing 13 of 111 places in Suffolk County, ranked from highest to lowest.

West Islip is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

It lies inside the Town of Islip, whose figures include it.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about West Islip

What is the average home value in West Islip, NY?

The Census Bureau publishes the median: $614,300 (±$14,318) for owner-occupied homes in West Islip (2020–2024 American Community Survey).

Have home values in West Islip gone up?

In West Islip, the median home value went from $426,700 in 2015–2019 to $614,300 in 2020–2024 (+44.0%).

Prices (CPI-U) rose 22.7% over the same years, so it rose faster than prices: a measurable increase after inflation.

Is this what homes in West Islip sell for?

No: it is the value owners reported, which tends to lag the market; recent sale prices and an appraisal answer that question.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for West Islip CDP, New York (place:80302, in state:36).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B25077_001E, B25077_001M, B25088_002E, B25088_002M, B25103_001E, B25103_001M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP04_0089E, DP04_0089M, DP04_0046E, DP04_0046M, DP04_0081PE, DP04_0081PM, DP04_0082PE, DP04_0082PM, DP04_0083PE, DP04_0083PM, DP04_0084PE, DP04_0084PM, DP04_0085PE, DP04_0085PM, DP04_0086PE, DP04_0086PM, DP04_0087PE, DP04_0087PM, DP04_0088PE, DP04_0088PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.