Central Islip, NY vs Westbury, NY

Central Islip, NY and Westbury, NY have a very similar cost of living, with only a 4.9% difference in their overall index. Central Islip scores 137 while Westbury scores 144 on the cost of living index, where 100 represents the national average. The day-to-day expenses for residents in both cities are comparable, though differences emerge when looking at specific categories.

On the housing front, median rent in Central Islip is $2,106/month compared to $1,813/month in Westbury — a 16% difference. Interestingly, home values tell a different story: while Westbury has cheaper rent, Central Islip actually has lower median home values ($405,000 vs $599,700).

Median household income in Central Islip is $110,166 compared to $136,917 in Westbury (-19.5%). While Westbury is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Central Islip spend roughly 22.9% of their income on rent, more than the 15.9% in Westbury.