Big Flats, NY vs Islip, NY

The cost of living difference between Big Flats, NY and Islip, NY is dramatic. Big Flats is 36.2% cheaper than Islip, a gap that translates to thousands of dollars per year in household expenses. Big Flats has a cost index of 93 while Islip sits at 146, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Big Flats is $1,394/month compared to $2,192/month in Islip — a 36% difference. Home values follow the same pattern: Big Flats is more affordable at $224,000 median vs $486,900.

Median household income in Big Flats is $101,771 compared to $122,596 in Islip (-17%). Islip does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget. Looking at affordability, residents of Big Flats spend roughly 16.4% of their income on rent, less than the 21.5% in Islip.

Climate-wise, Islip is notably warmer with an average of 53.1°F compared to 48°F in Big Flats. Islip receives more rainfall at 46" per year compared to 32.4" in Big Flats.