Islip, NY—11751
Real Estate Data & Market Trends
Key Metrics at a Glance
Home Price Trends — Islip, NY
As of Oct '25, the median home price in Islip, NY is $645,000, with a year-over-year change of 1.8%. This indicates that home prices in Islip, NY are increasing. According to Zillow, the 1-year price projection is 1.7%, suggesting an increase housing market in the next year.
Cost per Home Type
| Home Type | Median Home Value | YoY % Change |
|---|---|---|
All Homes | $645,000 | 1.8% |
| Single Family | $659,000 | 1.5% |
| Condos | N/A | N/A |
Cost per Home Size
| Home Size | Median Home Value | YoY % Change |
|---|---|---|
1 Bed | N/A | N/A |
2 Bed | $473,000 | 3.3% |
3 Bed | $654,000 | 2.3% |
4 Bed | $727,000 | 1.8% |
| 5 Bed | $808,000 | 2.9% |
% of Housing Stock
Rental Trends — Islip, NY
As of July '25, Rentcast reports the average rent in Islip, NY is $3,080, with a year-over-year rent change of 4.4%. Per bedroom, the median rent as of July '25 in Islip, NY is 1-bedrooms: $2,180, 2-bedrooms: $2,990, 3-bedrooms: $5,000, 4-bedrooms: $4,500. The most common rental property sizes in Islip, NY are 2-bedroom and 1-bedroom, accounting for 43.9% and 29.3% of the rental stock.
| Type | Median Rent | Average Rent |
|---|---|---|
| Average Rent | $2,890 | $3,080 |
| Studio Rent | N/A | N/A |
| 1 Bed Rent | $2,200 | $2,180 |
| 2 Bed Rent | $2,890 | $2,990 |
| 3 Bed Rent | $5,000 | $5,000 |
| 4 Bed Rent | $4,500 | $4,500 |
% of Rental Stock
Property Listings — Islip, NY
As of Oct '25, Realtor.com reports that the median days on market for a home in Islip, NY is 46. This is a increase of 2.0% from last year, suggesting that homes are sitting on the market longer than last year. The percentage of listed homes with a reduced price is 15.0%, representing a small inventory and little supply pressure on home prices.
| Metric | Zip Code Average | Year over Year % Change |
|---|---|---|
Median Listing Price | $624,000 | 13.0% |
Listing Count | 68 | 42.0% |
| Listings as % of Homes | 0.6% | 42.0% |
Days on Market | 46 | 2.0% |
Demographics — Islip, NY
As of the latest ACS Survey released in 2023, Islip, NY has a population of 13,200, which has decreased by -9.7% over the past 5 years. Islip, NY is a moderately popular place for families, as children make up 17.2% of the population. The area has a moderately educated workforce, with 36.0% of adult residents holding a bachelor’s degree or higher. There are few residents working remotely, with 6.7% reporting working from home.
| Metric | Latest Census | YoY % Change |
|---|---|---|
Population | 13,200 | -9.7% |
% Under 18 | 17.2% | -12.7% |
% Seniors | 20.2% | 35.6% |
% WFH | 6.7% | 55.8% |
% w/ College Degree | 36.0% | -4.5% |
As of the latest ACS Survey released in 2023, Islip, NY is a predominantly white area, with 75.1% of the population identifying as white. The white population has shrunk by 8.5% in the last 5 years. The second most common race or ethnicity in Islip, NY is hispanic, making up 15.1% of the population. Foreign-born residents account for 8.0% of the population in Islip, NY, and this percentage has decreased by 17.5% as of the ACS Survey 5 years prior, suggesting fewer immigrants are calling the area home.
Race and Ethnicity
| Metric | Latest Census | 5-Year % Change |
|---|---|---|
% White | 75.1% | -8.5% |
% Black | 3.0% | 11.1% |
% Hispanic | 15.1% | 18.9% |
% Asian | 5.8% | 241.2% |
% Foreign Born | 8.0% | -17.5% |
Mortgage and Risk — Islip, NY
According to HUD data as of 2023, there were 193 mortgage originations in Islip, NY, of which 85.0% of loans were conventional mortgages. The average loan-to-value was 56.0%, with 25.0% above 90% LTV (very high). This implies large mortgage risk in Islip, NY. Investor activity is low, as 0.0% of loans were by investors. 11.0% of loans were cash-out refinances, suggesting many homeowners are tapping equity.
Mortgages
| Metric | Zip Code Average |
|---|---|
Total Loan Originations | 193 |
% Conventional Loans | 85.0% |
% Government Loans | 15.0% |
% Investor Loans | 0.0% |
% Second Loans | 0.0% |
% Cash Out Refinance | 11.0% |
Loan Activity
Rentals and Section 8 — Islip, NY
As of 2024, the percent of homes in Islip, NY under the Section 8 program is 7.6%. This is considered low, suggesting that the neighborhood is sparsely composed of Section 8 homes. Section 8 opportunity is good when HUD pays more than market rent. 1-bedroom units appear to be good home sizes to consider for Section 8 housing in Islip, NY, because HUD payments exceed market rent, while 2-bedroom and 3-bedroom and 4-bedroom units do not.
Section 8 Market Size
Total Units under HUD | 59 |
Total Units Section 8 | 58 |
% Rentals under Section 8 | 7.6% |
% Occupied Section 8 | 86.0% |
Section 8 Opportunity
| Home Size | HUD Premium | Market Rent | Max HUD Rent |
|---|---|---|---|
| 1 Bedroom | $50 | $2,200 | $2,250 |
| 2 Bedroom | -$290 | $2,890 | $2,600 |
| 3 Bedroom | -$1,630 | $5,000 | $3,370 |
| 4 Bedroom | -$890 | $4,500 | $3,610 |
Affordability — Islip, NY
Home Price to Income Ratio
| Metric | Zip Code Average |
|---|---|
| Home Price to Income Ratio | 5 |
| Median Home Price | $645,000 |
| Median Household Income | $116,000 |