Cost of Living in Islip, NY
Population 17,224 · New York · Data vintage 2023
(100 = US avg)
Islip is a smaller New York community of around 17000 residents, where median household incomes of $122,596 and housing costs ($487,000 for a typical home) give the local cost-of-living profile a distinctly small-town shape.
Located 30 miles southeast of Stamford, Islip falls within that metro's commuting orbit. Median home values run roughly 21% lower than Stamford's $614,000.
Cost Overview
Scale: 100 = US national average. Green < 90, Red > 110.
About the Cost of Living in Islip
The median home value in Islip is $486,900 — 60% above the national median of $305,000. Median rent runs $2,192/month, 67% higher than the national median of $1,314/month. The median household income of $122,596/year is 64% higher than the US median of $74,580. The local unemployment rate is 4.9%, above the national average of 4.8%. New York's top state income tax rate is 10.9% and the combined sales tax is 8.5%. The climate averages highs of 61.1°F and lows of 45.2°F, with about 31.8" of annual snowfall. Overall, Islip has a cost of living index of 163 versus the US average of 100, meaning it is 63% more expensive.
🏠 Housing
HUD Fair Market Rents by Bedroom
💰 Estimated Monthly Budget
Estimates based on median data and national averages. Actual costs vary.
🛒 Food & Groceries
National BLS average prices (2023). Local prices may vary.
🚗 Transportation
Commute Mode
⚡ Utilities
📋 Taxes
💼 Income & Employment
🎓 Education
👥 Demographics
🌤 Climate
NOAA 1991–2020 Climate Normals
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 39 | 41 | 48 | 58 | 68 | 77 | 83 | 81 | 75 | 64 | 54 | 44 |
| Low °F | 25 | 26 | 32 | 41 | 51 | 61 | 67 | 66 | 59 | 47 | 38 | 30 |
| Precip" | 3.66 | 3.29 | 4.51 | 4.06 | 3.28 | 4.00 | 3.26 | 4.24 | 3.60 | 3.97 | 3.41 | 4.71 |
| Snow" | 10.3 | 9.4 | 6.5 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 | 4.5 |
💨 Air Quality
EPA AQS 2023 — county-level monitoring data
🏫 Schools
NCES CCD 2019 — public school district data
Frequently Asked Questions
What is the cost of living in Islip, NY?
Islip has a cost index of 163 (100 = national average). It is 63% above the national average.
What is average rent in Islip, NY?
The median gross rent in Islip is $2,192 per month based on 2023 Census data.
What is the average home price in Islip?
The median home value in Islip is $486,900 according to Zillow and Census data.
What is the median income in Islip?
The median household income in Islip is $122,596 per year (2023 ACS 5-year estimates).
What is the sales tax in Islip, NY?
The combined state and local sales tax rate in Islip is 8.5%. The New York state income tax top rate is 10.9%.
Is Islip, NY affordable?
Islip is above average in cost of living, with an index of 163 — about 63% higher than the national average.
What is the weather like in Islip?
Islip has average high temperatures of 61.1°F and average lows of 45.2°F. Annual precipitation is 46". Average annual snowfall is 31.8". Data from NOAA 1991–2020 Climate Normals.
Islip at a Glance
- Population
- 17,224
- Median Income
- $122,596
- Home Value
- $486,900
- Median Rent
- $2,192/mo
- Unemployment
- 4.9%
- Avg High Temp
- 61.1°F
- Sales Tax
- 8.5%
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