Islip, NY
Population 17,224 · New York
About Islip, NY
Islip is a mid-sized city in New York with a population of 17,224 residents. The median household income is $122,596 per year, which is above the national average. The median age in Islip is 44 years.
Housing in Islip has a median home value of $486,900 and median monthly rent of $2,192. Of the 6,373 total housing units, the majority are owner-occupied, with 5,145 owner-occupied and 946 renter-occupied units.
The unemployment rate in Islip is 4.9% and the poverty rate is 5.8%. 35.0% of residents hold a bachelor's degree or higher. The average commute time is 29.1 minutes.
Cost of Living in Islip, NY
Compared to national averages, Islip has a median household income of $122,596 (63% above the national median of $75,149). Home values average $486,900, which is 99% above the national median. Monthly rent at $2,192 is 88% above the US average of $1,163. Within New York, Islip's income is 26% above the state average of $96,987, and home values are 26% above the state median of $387,181.
Why Live in Islip, NY?
Islip offers a strong local economy with a median household income of $122,596, well above the national average, and a well-educated community where 35.0% of residents hold a bachelor’s degree or higher, and a low poverty rate of 5.8%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $486,900. However, Islip’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Islip has a population of 17,224 with a median age of 44 years. Compare Islip with other cities to see how it stacks up, or explore all cities in New York.
Similar Cities Near Islip
Cities in New York with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Hampton Bays | 17,138 | $129,080 | $688,900 | Compare |
| Bethpage | 17,334 | $132,832 | $597,400 | Compare |
| Oswego | 17,028 | $53,286 | $114,600 | Compare |
| Massapequa Park | 16,985 | $170,470 | $626,300 | Compare |
| Cortland | 17,465 | $55,368 | $143,800 | Compare |
| Port Washington | 17,613 | $183,964 | $976,200 | Compare |
| North Valley Stream | 17,756 | $145,204 | $588,800 | Compare |
| Farmingville | 16,605 | $129,920 | $444,300 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in New York
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Islip
What is the population of Islip, NY?
The population of Islip, NY is 17,224 according to the latest Census data.
What is the median household income in Islip?
The median household income in Islip, NY is $122,596 per year.
What is the median home value in Islip?
The median home value in Islip, NY is $486,900.
What is the average rent in Islip?
The median monthly rent in Islip, NY is $2,192.
What is the unemployment rate in Islip?
The unemployment rate in Islip, NY is 4.9%.