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Islip CDP, NY

ZIP 11751 — Housing & Real Estate

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow Area

Home values, rent, tenure, and housing stock

Housing & Real Estate in ZIP Code 11751

Median Home Value
$501,900
Median Rent
$2,147
Affordability Snapshot
$138,000
Est. income to buy

Household income needed for a median home under a 20% down / 6.8% illustrative mortgage model (~$3,224/mo PITI).

22%
Rent-to-Income Ratio

Below the 30% threshold — generally affordable for median earners.

4.3x
Home Price-to-Income Ratio

Within the typical 3-5x range for home affordability.

19.5 yrs
Price-to-Rent Ratio

Years to break even buying vs renting at median home value and rent.

To comfortably buy a median-priced home in ZIP 11751 in Islip CDP, NY, a household would need roughly $138,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $3,224. That is about 19% above the local median household income ($116,328), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Housing Tenure

Mostly owner-occupied, low vacancy — stable housing market.

Heating Fuel
Housing Metrics
Owner Occupied
83.4%+27% vs US avg
x
Vacancy Rate
4.5%-56% vs US avg
x
Broadband Access
83.1%-4% vs US avg
x
4+ Bedrooms
6.7%-55% vs US avg
x
Built Pre-1939
5.5%-57% vs US avg
x
Built Post-2014
0.0%
x
Rent Burden >30%
52.9%+7% vs US avg
x
Mortgage-Free
40.4%+6% vs US avg
x
$501,900
Home Value
$2,147
Rent
1965
Year Built
2005
Moved In

Residents have lived here since ~2005 on average

Housing Structure

Census ACS structure types (single-family, multi-unit, etc.).

  • 1-unit detached69.7%
  • 1-unit attached8.8%
  • 2-9 units10.0%
  • 10+ units9.9%
  • Mobile home & other1.7%

Housing & Real Estate key statistics

Housing statistics
Housing
Median home value$501,900
Median rent$2,147
Owner-occupied83.4%
Vacant4.5%
Price-to-income4.3x
Est. income to buy$138,000