HomeNew YorkSuffolk CountyWest Islip CDP
West Islip CDP, New York: commercial real estate data.
West Islip CDP is a Census CDP of 26,865 people across 6.09 square miles of land, in Suffolk County. Median household income is $176,281, 95.0 percent of occupied homes are owned, and the SBA record carries 25 7(a) approvals to borrowers here worth $10.3 m.
76 sourced place values · tier FULL · 8 sections
West Islip
What West Islip is
- Census place typeCDP
- Land area6.09 sq mi
- Water area1.71 sq mi
- Population per square mile of land4,409
- County holding the largest share of its areaSuffolk County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
West Islip
How many people live in West Islip
- Population26,865
- Median age38.5
- Population under 185,709
- Share under 1821.3 percent
- Population 65 and over3,727
- Share 65 and over13.9 percent
- Households8,507
- Family households6,882
- Share of households that are families80.9 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
West Islip
Income and work in West Islip
- Median household income$176,281
- Per capita income$66,243
- Civilian labor force15,732
- Employed15,153
- Unemployed579 plus or minus 145
- Unemployment rate3.7 percent plus or minus 0.9
- Adults 25 and over18,061
- Adults 25 and over with a high school diploma or higher95.7 percent
- Adults 25 and over with a bachelor degree or higher49.8 percent
- Adults 25 and over with a graduate degree22.9 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
West Islip
Housing in West Islip
- Housing units8,607
- Occupied units8,507
- Vacant units100 plus or minus 82
- Vacancy rate1.2 percent plus or minus 1.0
- Owner occupied8,080
- Renter occupied427 plus or minus 131
- Ownership rate95.0 percent
- Median owner-occupied home value$614,300
- Median gross rent, monthly$2,765
- Annual rent as a share of median income18.8 percent
- Single family units8,478
- Share single family98.5 percent
- Units in buildings of two or more123 plus or minus 72
- Share in buildings of two or more1.4 percent plus or minus 0.8
- Mobile homes6 plus or minus 9
- Median year structure built1960
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
West Islip
How West Islip gets to work
- Workers 16 and over who commute12,999
- Commuting under 15 minutes2,915
- Share commuting under 15 minutes22.4 percent
- Commuting 30 minutes or more4,967
- Share commuting 30 minutes or more38.2 percent
- Drove alone75.1 percent
- Carpooled5.9 percent plus or minus 1.8
- Public transport4.7 percent plus or minus 1.3
- Walked0.1 percent plus or minus 0.1
- Worked from home12.9 percent plus or minus 2.9
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
West Islip
SBA 7(a) lending to West Islip borrowers
- Approvals25
- Gross approval$10,259,300
- Average approval$410,372
- Median approval$175,000
- Ninetieth percentile approval$1,350,000
- Largest approval$3,379,300
- Jobs supported123
- Jobs per approval4.9
- Loans with a final outcome3
- Paid in full2
- Charged off1
- Median term120 months
- Share on real estate terms of 20 years or more12.0 percent
- Share to franchises8.0 percent
- Distinct lenders13
- Distinct industries by NAICS20
A charge-off rate is not published here. only 3 resolved loans, too few to publish a rate, and a rate over that few outcomes would move several points on one loan.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
West Islip
SBA 504 lending to West Islip borrowers
- Approvals2
- Gross approval$1,905,000
- Average approval$952,500
- Median approval$1,380,000
- Largest approval$1,380,000
- Jobs supported12
- Loans with a final outcome0
- Charged off0
- Median term300 months
- Distinct CDCs1
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Suffolk County, not West Islip
Suffolk County context, not West Islip figures
These are Suffolk County figures. There is no place level equivalent published for any of them, so they are shown as the county backdrop and never as West Islip measurements.
- Establishments in Suffolk County50,748
- Employment at those establishments, Suffolk County592,580
- Covered employment, Suffolk County679,594
- Average annual pay, Suffolk County$79,121
- Average weekly wage, Suffolk County$1,522
- Housing units permitted, Suffolk County1,407
- Of those, single family, Suffolk County1,137
- County product, 2024, Suffolk County$139,014,125,000
- County product change over the prior year, Suffolk County5.9 percent
- Average income of an arriving household, Suffolk County$144,254
Every figure in this section is published for Suffolk County as a whole and is not a measurement of West Islip. It is here because a county backdrop is what a credit committee reads a place against, and it is labelled so that it can never be quoted as the place's own.
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual. US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024. US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Coverage
What this page does not hold.
Every item below could be filled with a plausible figure. None of them is. On a page a lender may read, a number that cannot be traced is worse than an absence, so the absences are named.
- This place is not listed as a community in the FEMA Community Status Book, so no NFIP participation or CRS class is shown.
- Parcel level detail, zoning and flood zone at an address are resolved in the platform, not on this page.
SBA figures count approvals to borrowers whose address is in the place. They are not approvals for projects inside the place boundary: the tape records a borrower city and a project county, and those can differ.
Common questions
West Islip questions, answered from the record.
How many people live in West Islip, New York?
26,865, in 8,507 households. West Islip CDP covers 6.09 square miles of land, which is 4,409 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is West Islip in?
Suffolk County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in West Islip?
$176,281. The median owner-occupied home is valued at $614,300. Median gross rent is $2,765 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to West Islip businesses?
25 7(a) approvals totalling $10.3 m, across 13 lenders, median approval $175,000, plus 2 504 approvals worth $1.9 m. These count approvals to borrowers whose address is in West Islip, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to West Islip borrowers get paid back?
No rate is published for West Islip. only 3 resolved loans, too few to publish a rate, and a percentage over that few outcomes would move several points on a single loan. The counts are shown instead.
Are the county figures on this page West Islip figures?
No, and they are labelled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Suffolk County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of West Islip.
Is zoning published for West Islip?
Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning.