Central Islip, NY vs Riverhead, NY

Central Islip, NY and Riverhead, NY have a very similar cost of living, with only a 4.7% difference in their overall index. Central Islip scores 137 while Riverhead scores 143 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 $2,208/month in Riverhead — a 5% difference. Home values follow the same pattern: Central Islip is more affordable at $405,000 median vs $449,000.

Median household income in Central Islip is $110,166 compared to $83,521 in Riverhead (+31.9%). Central Islip offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Central Islip spend roughly 22.9% of their income on rent, less than the 31.7% in Riverhead. The Central Islip ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.

Climate-wise, both cities share similar average temperatures (53.1°F vs 50.2°F). Central Islip receives more rainfall at 46" per year compared to 43.5" in Riverhead.